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. 2020 Sep 3;15(9):e0237650. doi: 10.1371/journal.pone.0237650

Identifying healthcare experiences associated with perceptions of racial/ethnic discrimination among veterans with pain: A cross-sectional mixed methods survey

Leslie R M Hausmann 1,2,*, Audrey L Jones 3,4, Shauna E McInnes 1, Susan L Zickmund 3,4
Editor: M Barton Laws5
PMCID: PMC7470400  PMID: 32881940

Abstract

Background

Healthcare experiences associated with perceived racial/ethnic discrimination among patients are poorly understood.

Objective

Identify domains of patient dissatisfaction associated with perceived racial/ethnic discrimination among patients with pain.

Design

Semi-structured telephone surveys completed in 2013–2015.

Participants

White, African American, and Latino participants who reported receiving pain management from 25 Veterans Affairs (VA) Medical Centers.

Main measures

Surveys included open-ended questions about healthcare satisfaction/dissatisfaction and a measure of perceived racial/ethnic-based discrimination while seeking VA healthcare. Binary indicators for ten qualitative domains of dissatisfaction were derived from open-ended questions. We used multilevel models to identify dissatisfaction domains associated with perceived discrimination, adjusting for patient characteristics and site. Within domains associated with discrimination, we identified the most frequent codes and examined whether patients primarily referenced clinical or non-clinical staff in their experiences.

Key results

Overall, 622 participants (30.4% White, 37.8% African American, 31.8% Latino; 57.4% female; mean age = 53.4) reported a median discrimination score of 1.0 (IQR: 1.0–1.3) on a scale of 1 to 5; 233 (37.5%) perceived any racial/ethnic discrimination in healthcare. Individually, 7 of 10 qualitative domains were significantly associated with perceived discrimination: dissatisfaction with care quality, facilities, continuity of care, interactions with staff, staff demeanor, unresolved pain, and pharmacy services (ps<0.005). In combined models stratified by racial/ethnic group, 3 domains remained statistically significant: poor interactions for Latinos (adjOR = 5.24, 95% CI = 2.28–12.06), negative demeanor for African Americans (adjOR = 2.82, 95% CI = 1.45–5.50), and unresolved pain for Whites (adjOR = 6.23, 95% CI = 2.39–16.28). Clinical staff were referenced more often than non-clinical staff for all domains (interactions: 51% vs. 30%; demeanor: 46% vs. 15%; unresolved pain: 18% vs. 1%, respectively).

Conclusion

Negative interpersonal experiences and unresolved pain are strong correlates of perceived racial/ethnic discrimination among patients with pain. Future studies should test whether interventions targeting these domains reduce patient perceptions of racial/ethnic discrimination in healthcare.

Introduction

Feeling as though one has been treated unfairly because of one’s membership in a stigmatized group, referred to as perceived discrimination, is associated with less favorable health-related behaviors, mental health, and physical health [13]. Perceiving discrimination specifically in healthcare settings has been found to be associated with less positive communication with providers, less satisfaction with care, and greater pain severity, among other unfavorable outcomes [49]. Given the sequelae of perceived discrimination, it is important to identify factors that contribute to perceived discrimination in healthcare. Doing so could provide modifiable targets on which to focus interventions to improve experiences of patients from marginalized populations.

Only a handful of studies have investigated the aspects of healthcare experiences that patients are likely to interpret as signs of discrimination [1012]. In Ross et al.’s qualitative interviews with 12 African American patients, participants noted that discrimination more often comes in the form of “differential treatment” (i.e., being treated differently than other patients) than blatant “mistreatment” (i.e., objectively improper care) [10]. Differential treatment included healthcare staff and clinicians engaging in friendlier, more respectful, and more compassionate verbal and nonverbal communication with people from other races compared to African American patients. Patients also conveyed that healthcare professionals “assumed the worst” about African Americans by applying negative stereotypes (e.g., “drug addicts,” faking symptoms). Another study involving 9 African American focus groups found that patients felt discriminated against when providers discredited their symptoms, belittled their health concerns, or did not convey respect [11]. Finally, in qualitative interviews about satisfaction with healthcare in the Veterans Affairs (VA) Healthcare System, African American Veterans expressed experiencing differential treatment, racial profiling, and being denied treatment [12]. That same study showed qualitative differences in why White and African American Veterans were dissatisfied with pain treatment. Whereas African American Veterans expressed difficulty obtaining pain medications and being treated as drug-seeking, White Veterans were dissatisfied by overly-liberal prescribing of narcotics for pain. However, some White Veterans also felt they had experienced “reverse” discrimination, suggesting that perceived discrimination on the basis of one’s race or ethnicity is not restricted to patients of color [12].

Although these prior studies have identified potential aspects of patient experiences that contribute to perceived discrimination, our understanding of factors contributing to perceived discrimination in healthcare settings remains limited. Prior qualitative studies have been small with limited generalizability. Most studies have also focused on the experiences of African American patients, leaving open the question of whether similar factors are associated with perceived discrimination for patients from other racial/ethnic groups.

The objective of this analysis was to identify specific domains of dissatisfaction that are associated with racial/ethnic-based perceived discrimination while seeking VA healthcare among White, African American, and Latino patients with pain. To achieve this objective, we examined qualitative codes, organized into 10 domains of dissatisfaction, and responses to a quantitative measure of discrimination collected as part of the Disparities in Satisfaction with Care (DISC) Study [13]. DISC was a mixed methods survey designed to understand drivers of patient satisfaction/dissatisfaction in a racially and ethnically diverse cohort of male and female patients who received primary care from Veterans Affairs Medical Centers across the United States. We focused the current analysis specifically on the subset of patients who received care for pain management because satisfaction with pain management is an area where racial/ethnic disparities persist and because patients with pain may have the added burden of coping with negative stereotypes (e.g., perceived to be non-compliant, drug-seeking) while presenting for pain treatment. Capitalizing on the richness of the DISC data, we tested for associations between 9 qualitative domains of dissatisfaction and a quantitative measure of perceived racial/ethnic discrimination for all patients receiving care for pain. Given the known racial/ethnic disparities in pain management [1417], we then looked at associations between the dissatisfaction domains and the quantitative measure of discrimination within White, African American, and Latino groups to gain insights into potential targets for disparity interventions. To further elucidate the observed associations, we examined the most frequently used qualitative codes within each significant domain. When possible, we also described the types of healthcare staff involved in the coded experiences, thus providing further context.

Methods

Overview

This analysis examined qualitative domains of dissatisfaction with healthcare and quantitative ratings of perceived discrimination collected as part of a larger study of racial, ethnic, and gender differences in satisfaction/dissatisfaction with care [13]. Participants in the parent study were Veterans sampled, stratified by race and gender, from 25 VA Medical Centers across the United States. Participants completed a semi-structured audio-recorded telephone survey that included open and closed-ended questions about satisfaction/dissatisfaction with healthcare experiences, validated scales assessing constructs that may be associated with patient healthcare experiences (including perceived discrimination), and clinical and sociodemographic characteristics. As described below, in the current analysis we used qualitative domains of dissatisfaction derived from open-ended questions in the survey as predictors of a quantitative perceived discrimination scale, controlling for select patient characteristics.

Study procedures were approved by institutional review boards at the VA Pittsburgh Healthcare System, VA Salt Lake City, and University of Utah. We followed the Strengthening the Reporting of Observational Studies in Epidemiology guidelines for reporting cross-sectional studies [18]. We also followed the Patient-Centered Outcomes Research Institutes’ qualitative and mixed methods standards for reporting the thematic data [19,20].

Participants

As described elsewhere [13], potential DISC participants included Veterans with an outpatient visit at 25 participating VA medical centers in fiscal years 2012 or 2013 who were identified using administrative records. From those eligible, 90 Veterans from 6 strata (non-Latino White, non-Latino African American, or Latino male; or non-Latino White, non-Latino African American, or Latina female) were randomly selected from each facility [13]. Study sites were geographically diverse and served relatively large proportions of Veterans of color. Potential participants were mailed a study description and were called to confirm eligibility. Following consent, eligible Veterans were surveyed by telephone by a contracted professional survey research organization; surveys were audio-recorded and provided to the research team. Participants received $35 after completing the survey. Data collection took place from June 2013 through January 2015. The overall response rate for the DISC study was 63.3% [13].

The current study focused on White, African American, and Latino DISC participants who met the following additional criteria: 1) responded “yes” to the question, “Have you received pain management from the VA in the last 24 months?”; 2) reported on their satisfaction with pain management; 3) and completed a measure of perceived discrimination (described below). We excluded participants missing data for ≥2 items on the 7-item perceived discrimination measure.

Semi-structured surveys and thematic analysis

The DISC survey followed a concurrent mixed methods design where Veterans were asked closed-ended Likert scale items and open-ended qualitative questions pertaining to satisfaction/dissatisfaction with specific domains of healthcare experiences, in addition to a series of validated scales and demographic questions [21]. The survey items pertaining to satisfaction/dissatisfaction with healthcare experiences have been previously published [13].

The DISC team coded the open-ended responses from the audio-recorded surveys using the qualitative Editing Approach by Crabtree and Miller [22], which focuses on an open, iterative approach to developing and then applying a codebook. The DISC Principal Investigator [SZ] and the coding team developed the codebook by listening to nearly two hundred surveys as a group and noting codes to capture important content until all sources of satisfaction and dissatisfaction were covered by the qualitative codes. To manage the size of the codebook, qualitative codes were organized into mutually exclusive domains that emerged as dominant categories. Coders met regularly to discuss discrepancies and to refine coding inclusion/exclusion criteria before producing a final master qualitative codebook.

Working initially in teams of two, coders applied the final master codebook to their assigned recordings, each completing the coding independently. The two coders then engaged in an inter-coder reliability adjudication process where they deliberated in order to come to agreement per code. Twenty percent of the interviews were coded using an inter-coder reliability process. The adjudicated codes were then added into the final qualitative dataset. The full coding team also met throughout the coding process to ensure coding stability and reliability. Given the size of the study, codes and illustrative quotations were entered into a proprietary database powered by Microsoft SQL Server to ensure the effective retrieval of textual data.

Qualitative domains

Given our focus on perceived discrimination, our analysis concentrated on dissatisfaction codes identified by the DISC coding team (i.e., satisfaction codes were not included). The domains of healthcare experience included: access, quality of care, perception of VA facilities, continuity of care, interactions with clinical and non-clinical staff (e.g., rude, doesn’t listen), clinical and non-clinical staff demeanor (e.g., uncaring, stigmatizing), unresolved pain, costs of care, pharmacy services, and non-medical services (e.g., cafeteria, transportation) (Table 1). As in our prior mixed methods research [12,23], we used data transformation to quantify the presence of domains in our sample. Specifically, we assigned binary values to indicate the presence (1) or absence (0) of a domain for each participant. A domain was noted as present if any code within that domain was applied. Given the complexity of modeling the vast number of dissatisfaction codes (n = 213), we used domain indicators (n = 10) as predictors of perceived discrimination in our main analyses. We also examined codes within domains and the type of employee involved in the coded experiences to better understand the nature of the domains that were significantly associated with perceived discrimination (see below).

Table 1. Domains of dissatisfaction with healthcare experiences and related codes derived from semi-structured surveys about patient satisfaction.

Domains and codes* Sample Quotes
Access
 Scheduling “It’s kind of difficult to get appointments.” (Scheduling)
 Timeliness
 High patient volume / crowded “I couldn’t get in to see my doctor. I had to go to a local doctor.” (Felt forced to go to non-VA facility)
 Red tape / bureaucracy
 Unable to email/call provider
 Lack of providers
 Lack of treatment options
 Felt forced to go to non-VA facility
 General mentions of poor care
 VA not prepared to address issues specific to women
 Felt forced to go to emergency room
Quality of care
 Dissatisfied with treatment plan “I am with her for 5 minutes and she shoves me out the door.” (Didn’t take time)
 Unsatisfactory diagnosis
 General mentions of poor access Didn’t take time
 Unresolved medications “He kept insisting that he couldn’t give me any more medicine, and I kept insisting that I hurt.” (Did not receive medication)
 Incompetence / unknowledgeable
 Did not receive medication/medical equipment
 Not thorough “Getting the doctors and technicians to listen to me as a patient and allowing me to contribute to my healthcare is difficult.” (Involvement in decisions)
 Negligent
 Involvement in decisions
 Didn’t protect privacy
 Tries to avoid VA services
 Inaccurate diagnosis
Facilities
 Parking “I have to go 45 minutes to an hour earlier than my appointment just so I can get parking.” (Parking)
 Location
 Difficult to navigate
 Size “Right now it’s under a bunch of construction and it’s hard to find your way around.” (Renovations)
 Equipment
 Old building
 Renovations
 Unclean/unsanitary
 Inaccessible for persons with disability
Continuity of care
 Staff turnover “She’s never followed up with me, or even called me back either.” (Follow-up)
 Follow-up
 VA to VA coordination “There’s been numerous occasions when my primary care has put me through for referral … and I never got a phone call with an appointment.” (Inadequate referrals)
 Inadequate referrals
 Not seen by regular provider
 Doesn’t review history
 General mentions of poor continuity
Interactions with staff
 Rude/condescending/hostile “They don’t listen to me about what helps and what doesn’t help.” (Doesn’t listen)
 Doesn’t listen
 Non-informative
 Poor relationship
 General mentions of poor interactions
Staff demeanor
 Unconcerned/uncaring “She was mean, mean. She accused me of selling my medications.” (Stigma)
 Stigma
 Dishonest/untrustworthy “When I go in there, it’s like I’m just a number.” (Treats Veteran like a number)
 Not accommodating or helpful
 Treats Veteran like a number
 Unprofessional
 Inattentive
Unresolved pain
 Perceived drug-seeking “I’m getting something for pain, but it’s not treating the problem.” (General)
 General mentions of unresolved pain
Costs
 Service connectedness “[I cannot receive] dental and vision. I am not qualified for it.” (Service connectedness)
 Copays
 Having to pay
Pharmacy services
 Pharmacy ordering “If you go to the pharmacy, you have to pull a number and the waiting time is no sooner than 30 minutes and you can wait an hour before you see them. Then you have to wait again.” (Pharmacy ordering)
Non-medical services
 Transportation "I’m somebody who can’t walk right now. It’s so far apart that I need to call for transport and that takes a while." (Transportation)

*Dissatisfaction domains that emerged from audio-recorded surveys are shown in bold, with individual codes listed blow each domain. Codes present for at least 5% of all participants shown. General codes are statements of dissatisfaction that mention the domain without providing additional detail (e.g., Dissatisfaction with interactions—General: “It’s just that communication is bad.”)

Employee type

When participants described dissatisfactory experiences with VA employees, DISC coders noted the type of employee referenced by the participant. We categorized employees as clinical staff (doctors/providers, nurses, nursing staff, surgeons, and pharmacists), non-clinical staff (receptionists/clerks, schedulers, ancillary staff, and volunteers), or unknown/none specified. We assigned binary values to indicate if participants referenced clinical staff (1 = yes, 0 = no) and/or non-clinical staff (1 = yes, 0 = no) for each dissatisfaction code (e.g., rude, unconcerned) within the domains.

Primary outcome

The primary outcome in this analysis was perceived racial/ethnic discrimination while seeking VA healthcare, which was assessed in the DISC Study using an adaptation of the Everyday Discrimination Scale [5,24,25]. Specifically, participants were asked how often they experienced 7 types of unfair treatment while seeking healthcare because of one’s race or color (e.g., “When getting healthcare, how often were you treated with less respect than other people because of your race or color?” 1 = never, 2 = rarely, 3 = sometimes, 4 = most of the time, 5 = always). For participants answering at least 6 of the 7 items, we calculated an overall discrimination score as the average of non-missing items; participants missing 2 or more items were excluded. Because the distribution was positively skewed, with most participants reporting “never” for all items, we categorized participants as having any racial/ethnic-based perceived discrimination (i.e., those who reported experiencing 1 or more item at least rarely) versus none.

Covariates

We included as study covariates several sociodemographic and clinical characteristics assessed on the DISC survey that could be associated with patient experiences with care and/or perceived discrimination. Specifically, we included self-reported age, gender, race/ethnicity (in analyses not stratified by race/ethnicity), education, perceived health status (fair/poor versus good/very good/excellent), and self-reported depression. To account for exposure to the VA healthcare system, we also included the number of VA outpatient visits in the year prior to the survey, which was drawn from VA administrative records.

Statistical analyses

We used Stata version 14 to conduct all statistical analyses [26]. We first compared the sociodemographic characteristics for participants with any versus no perceived discrimination, using chi-square tests and t-tests for all categorical and continuous variables, respectively. For subsequent analyses, we imputed missing sociodemographic data for 9 (1.4%) participants using a multiple imputation package in Stata (mi estimate) that averaged the model estimates across 5 imputed datasets and produced pooled standard errors according to Rubin’s rules [27].

Next, we individually tested the association of each qualitative domain with any (vs. no) perceived discrimination using mixed effect logistic regression models. Each model included main effects for race/ethnicity, gender, sociodemographic covariates (age, education, health status, depression, and number of VA outpatient visits in the prior year), and a random effect for study site. We set the criteria for statistical significance at p<0.005 after applying a Bonferroni correction to account for multiple hypothesis testing (i.e., testing the associations of 10 domains of dissatisfaction with perceived discrimination).

Next, we tested a final adjusted multivariable model containing all qualitative domains that were significantly associated with any (vs. no) perceived discrimination when tested separately. We tested the final model in the full sample and separately for each racial/ethnic group. In sensitivity analyses, we reran the analyses with mean discrimination scores using linear mixed models.

To further understand the qualitative domains that were statistically significantly associated with perceived discrimination in multivariable models, we examined the frequency of individual codes within each significant domain among participants who reported any perceived discrimination. For the most frequently mentioned codes within each domain, we identified illustrative quotes and calculated the percentage of participants who referred to clinical and non-clinical employees when describing those experiences.

Results

Sample characteristics

Of the 1,222 DISC participants, 716 (58.6%) received pain treatment in the past 24 months and 634 (51.9%) reported on experiences with VA pain management. After excluding participants with ≥2 missing items on the measure of perceived discrimination (n = 6, 0.9%) and participants who reported a race/ethnicity other than non-Latino White, non-Latino African American, or Latino (n = 6, 0.9%), the analytic sample included 622 Veterans (Fig 1). Reflecting the stratified design of the DISC study [13], just over half of those included in this analysis were women (57.4%) and about one-third were African American (37.8%) or Latino (31.8%). The sample had substantial physical and mental health service needs, with 42.1% rating their health status as fair or poor, 52.0% reporting a history of depression, and, on average, having 24.0 (standard deviation = 25.3) outpatient visits in the prior 12 months.

Fig 1. Participant recruitment and study enrollment.

Fig 1

Exclusion criteria were applied sequentially. *The predominant reason for administrative exclusion was that a recruitment cell was filled by the time a potential respondent worked their way through the multi-step recruitment process.

In the 622 patients included in the analysis, the median rating of perceived discrimination was 1.0 (IQR: 1.0–1.3) on a 1 to 5 scale; 233 patients (37.5%) reported any (vs. no) perceived racial/ethnic discrimination while seeking VA healthcare. Patients who perceived any discrimination were significantly different from those who had perceived no discrimination in several ways (Table 2). Specifically, patients who perceived any (vs. no) discrimination were more likely to be African American (48.1% vs. 31.6%), rate their health status as poor or very poor (49.4% vs. 37.8%), have a history of depression (63.5% vs. 45.2%), and have more outpatient visits in the prior year (mean = 28.5 vs. 21.2).

Table 2. Characteristics of patients who received healthcare for pain management, stratified by whether they reported any (vs. no) racial/ethnic-based perceived discrimination while receiving healthcare.

Perceived racial/ethnic discrimination while seeking healthcare
Total (n = 622) No PD (n = 389) Any PD (n = 233)
Characteristics N % N % N % p-value*
Race/ethnicity <0.001
 Non-Latino White 189 30.4 138 35.5 51 21.9
 Non-Latino African American 235 37.8 123 31.6 112 48.1
 Latino 198 31.8 128 32.9 70 30.0
Female gender 357 57.4 220 56.6 137 58.8 0.584
Age (years) 0.032
 18–39 115 18.5 76 19.5 39 16.8
 40–59 290 46.7 166 42.7 124 53.5
 60+ 216 34.8 147 37.8 69 29.7
Education level 0.772
 ≤High school/GED 73 11.8 48 12.4 25 10.8
 Trade school/some college 300 48.5 184 47.7 116 50.0
 ≥College graduate 245 39.6 154 39.9 91 39.2
Fair/poor health status 262 42.1 147 37.8 115 49.4 0.005
Depression 322 52.0 176 45.2 146 63.5 <0.001
Number of VA outpatient visits in the past 12 months (mean, sd) 24.0 25.3 21.2 22.9 28.5 28.3 <0.001

*p-value obtained from chi-square test

†p-value obtained from t-test

Abbreviations: GED, general education diploma; PD, perceived discrimination; sd, standard deviation; VA, Veterans Affairs

Qualitative domains associated with racial/ethnic-based perceived discrimination

The 10 qualitative domains varied widely in prevalence, with 567 participants (91.2%) expressing dissatisfaction with access to care and only 54 participants (8.7%) expressing dissatisfaction with non-medical services (Table 3). Patients who perceived any (vs. no) discrimination were more likely to mention dissatisfaction with 7 of the 10 healthcare domains, including quality of care (83.3% vs. 64.3%), facilities (76.8% vs. 65.0%), continuity of care (67.4% vs. 49.6%), interactions with staff (76.4% vs. 41.9%), staff demeanor (64.8% vs. 35.5%), unresolved pain (45.5% vs. 24.2%), and pharmacy services (29.6% vs. 19.5%).

Table 3. Frequency and percentage of domains of dissatisfaction with healthcare experiences, stratified by whether they reported any (vs. no) racial/ethnic-based perceived discrimination while seeking healthcare.

Perceived racial/ethnic discrimination while seeking healthcare
Total (n = 622) No PD (n = 389) Any PD (n = 233)
Domains of Healthcare Dissatisfaction N % N % N % p-value*
Access 567 91.2 352 90.5 215 92.3 0.458
Quality of care 444 71.4 250 64.3 194 83.3 <0.001
Facilities 432 69.5 253 65.0 179 76.8 <0.001
Continuity of care 350 56.3 193 49.6 157 67.4 <0.001
Interactions with staff 341 54.8 163 41.9 178 76.4 <0.001
Staff demeanor 289 46.5 138 35.5 151 64.8 <0.001
Unresolved pain 200 32.2 94 24.2 106 45.5 <0.001
Costs 153 24.6 88 22.6 65 27.9 0.136
Pharmacy services 145 23.3 76 19.5 69 29.6 0.001
Non-medical services 54 8.7 26 6.7 28 12.0 0.071

*p-value obtained from mixed effect logistic regression of perceived racial/ethnic discrimination while seeking healthcare. Each model included fixed effects for the qualitative domain and patient sociodemographic characteristics (race/ethnicity, gender, age, education level, health status, depression, and number of outpatient visits at Veterans Affairs Medical Centers in the past 12 months); and a random effect for study site. Domains that were significant after applying a Bonferonni correction for multiple comparisons (p<0.005) were included in a final combined model.

When the above 7 domains were included as predictors in a single multivariable model adjusted for covariates, 2 domains—interactions with staff and staff demeanor—were the only domains of dissatisfaction that remained statistically significant at p<0.005 (interactions: adjusted odds ratio [adjOR] = 2.86, 95% confidence interval [CI] = 1.81–4.50; demeanor: adjOR = 2.30, 95% CI = 1.50–3.54; Table 4).

Table 4. Final multivariable model containing domains of dissatisfaction associated with any (vs. no) racial/ethnic-based perceived discrimination while seeking healthcare (n = 622).

Predictors Odds Ratio Confidence Interval P-value*
Quality of care 1.12 0.67–1.87 0.669
Facilities 1.49 0.97–2.30 0.069
Continuity of care 1.13 0.73–1.75 0.594
Interactions with staff 2.86 1.81–4.50 <0.001
Staff demeanor 2.30 1.50–3.54 <0.001
Unresolved pain 1.69 1.12–2.54 0.013
Pharmacy services 1.53 0.99–2.36 0.056

*P<0.005 is considered statistically significant after applying Bonferroni correction for multiple comparisons. Estimates were obtained using mixed effect logistic regression with any (vs. no) racial/ethnic-based perceived discrimination while seeking health care as the outcome. The model included fixed effects for the qualitative domains and patient sociodemographic characteristics (race/ethnicity, gender, age, education level, health status, depression, and number of outpatient visits at Veterans Affairs Medical Centers in the past 12 months), and a random effect for study site.

Models stratified by racial/ethnic group indicated that dissatisfaction with interactions with staff was significant at p<0.005 only among Latino patients (adjOR = 5.24, 95% CI = 2.28–12.06), whereas dissatisfaction with staff demeanor was only significant among African American participants (adjOR = 2.82, 95% CI = 1.45–5.50; Table 5). In addition, unresolved pain was statistically associated with perceived discrimination among White participants (adjOR = 6.23, 95% CI = 2.39–16.28).

Table 5. Final multivariable models containing dissatisfaction domains associated with any (vs. no) racial/ethnic-based perceived discrimination while seeking healthcare, stratified by racial/ethnic group.

Whites (n = 189) African Americans (n = 235) Latinos (n = 198)
Predictors Odds Ratio CI Odds Ratio CI Odds Ratio CI
Quality of care 0.48 0.13, 1.73 1.51 0.71, 3.21 1.22 0.48, 3.12
Facilities 1.36 0.45, 4.12 1.61 0.85, 3.05 1.85 0.83, 4.14
Continuity of care 1.60 0.55, 4.69 1.26 0.63, 2.52 1.02 0.48, 2.19
Interactions with staff 2.05 0.66, 6.38 2.05 1.02, 4.11 5.24* 2.28, 12.06
Staff demeanor 2.86 0.99, 8.26 2.82* 1.45, 5.50 1.34 0.61, 2.92
Unresolved pain 6.23* 2.39, 16.28 2.02 1.05, 3.89 0.46 0.21, 1.02
Pharmacy services 2.56 1.08, 6.08 1.01 0.47, 2.16 1.47 0.65, 3.32

*Statistically significant after applying Bonferroni correction for multiple comparisons (p-value<0.005). Estimates were obtained using mixed effect logistic regression with any (vs. no) racial/ethnic-based perceived discrimination while seeking health care as the outcome. Models included fixed effects for the qualitative domains and patient sociodemographic characteristics (gender, age, education level, health status, depression, and number of outpatient visits at Veterans Affairs Medical Centers in the past 12 months), and a random effect for study site. Analyses were conducted separately for White, African American, and Latino participants.

Sensitivity analyses

We observed similar patterns of results for the overall sample in linear models that treated perceived discrimination as a continuous outcome. Patients who expressed dissatisfaction with interactions with staff and staff demeanor had perceived discrimination scores that were 0.15 and 0.20 points higher, respectively, when compared to patients who did not express dissatisfaction in these domains (interactions with staff: b = 0.15, 95% CI = 0.05–0.25; demeanor: b = 0.20, 95% CI = 0.10–0.29; S1 Table).

Thematic analysis of codes of dissatisfaction with staff interactions, staff demeanor, and unresolved pain

We further examined prominent codes for the three domains that were significantly associated with any perceived discrimination for any racial/ethnic group: interactions with staff, staff demeanor, and unresolved pain. In the interactions domain, the most frequent code was encountering healthcare employees who were rude, condescending, or hostile. One Latino man noted: “The second they give you the script on why you can’t get an appointment, they get very confrontational when you ask questions and they think you’re being difficult.” Another frequent code was feeling like employees were not listening to them. A White woman described the experience: “…getting the doctors and technicians to listen to me as a patient and allowing me to contribute to my healthcare is difficult. I’m very aware of the injury I sustained and the problems I have related to it and there have been a lot of times that doctors don’t care to listen to me, basically.” The third most frequent code in this domain was feeling as though employees were uninformative. An African American woman explained: “I was satisfied, but they never told me why they quit giving me the injections, they never explained to me why they stopped… One day I went to the clinic and there was a new fellow there, and he said that he couldn’t give me the injections and that they couldn’t give them to me, and it was over- that was gist of the explanation to me.” Among the 233 Veterans who perceived any discrimination, these codes were expressed by 56.2%, 31.3%, and 19.7% respectively.

For staff demeanor, the most frequent code was that employees were unconcerned or uncaring. One African American man stated flatly: “Forgive me for even saying this, but you are treated like waste. The level of treatment that you receive from those people that you have to sit back and deal with that are not sensitive to your needs because they have no idea what is going on with you.” Another frequent code was feeling stigmatized. One Latina woman recounted a conversation with a provider: “I had another doctor that told me, my pain management doctor, told me that the reason why I was in so much pain is because I was here in the U.S. and because this is not my birth place. I needed to just move back home.” The third most frequent code in the domain of staff demeanor was distrust. One African American man shared: “I have had my last two treatments at private physicians because the doctors that were [at the VA] are gone and I do not trust people there anymore.” These codes were expressed by 29.6%, 23.6%, and 15.0%, respectively, by Veterans with perceived discrimination.

For unresolved pain, most statements were grouped under a general code. For instance, one White woman recalled: “There have been numerous times that I have went to my primary care physician because the pain was obviously getting worse and… she always wanted to talk around the issue instead of directly about the issue and trying to improve the issue.” A Latina woman shared: “They gave me this pain pill and it’s not working and that’s all they can give me. I’m not asking for stronger but can you do something else? It’s interfering with my job and my lifestyle.” One sub-theme, perceived drug-seeking, was common among White participants with perceived discrimination. One white man pleaded: “You can’t neglect people because they need it and can’t treat them like they were drug addicts.” General themes of unresolved pain and perceived drug-seeking were expressed by 39.9% and 12.5% respectively.

The patterns of codes were generally similar across racial/ethnic groups with some subtle nuances (Table 6). For example, many of the codes were more frequent among White participants than among African American or Latino participants, especially rudeness, not listening, treating Veterans like a number, general statements about unresolved pain, and being perceived as drug-seeking. Also, the distribution of individual codes pertaining to staff demeanor were different among African American and Latino participants. For example, stigma, dishonest/untrustworthy, and unhelpful codes came up more frequently for African American participants, whereas the relatively infrequent codes of unprofessional and uninviting/unwelcoming demeanor came up more often for Latino participants (Table 6).

Table 6. Frequency of dissatisfaction codes in the domains of interactions with staff, staff demeanor, and unresolved pain expressed by patients who perceived any discrimination, stratified by racial/ethnic group.

All groups (n = 233) Whites (n = 51) African Americans (n = 112) Latinos (n = 70)
Codes N % N % N % N %
Interactions with staff
 Rude/condescending/hostile 131 56.2 32 62.8 54 48.2 45 64.3
 Doesn’t listen 73 31.3 23 45.1 29 25.9 21 30.0
 Uninformative 46 19.7 10 19.6 23 20.5 13 18.6
 Poor relationship 33 14.2 7 13.7 17 15.2 9 12.9
 General mentions of poor interactions 29 12.5 8 15.7 15 13.4 6 8.6
Staff demeanor
 Unconcerned/uncaring 69 29.6 16 31.4 31 27.7 22 31.4
 Stigma 55 23.6 16 31.4 27 24.1 12 17.1
 Dishonest/untrustworthy 35 15.0 9 17.7 18 16.1 8 11.4
 Unhelpful 29 12.5 9 17.7 16 14.3 4 5.7
 Treats Veteran like number 28 12.0 11 21.6 10 8.9 7 10.0
 Inattentive 21 9.0 5 9.8 10 8.9 6 8.6
 Unprofessional 19 8.2 3 5.9 8 7.1 8 11.4
 Uninviting/unwelcoming 16 6.9 3 5.9 6 5.4 7 10.0
Unresolved pain
 General 93 39.9 27 52.9 43 38.4 23 32.9
 Perceived drug-seeking 29 12.5 12 23.5 12 10.7 5 7.1

*Dissatisfaction domains that emerged from audio-recorded surveys are shown in bold, with individual codes listed blow each domain. Codes present for at least 5% of participants with perceived discrimination (n = 233) are shown. General codes are statements of dissatisfaction that mention the domain without providing additional detail (e.g., Dissatisfaction with interactions—General: “It’s just that communication is bad.”)

Types of employees referenced when describing dissatisfaction with staff interactions, staff demeanor, and unresolved pain

Among participants who reported any perceived discrimination, 66%, 56%, and 18% mentioned a specific type of employee when expressing dissatisfaction in the domains of staff interactions, staff demeanor and unresolved pain, respectively. Except for the code of rudeness, patients referred to clinical staff more often than non-clinical staff across the most frequent codes in these domains (interactions: 51% vs. 30%, respectively; demeanor: 46% vs. 15%; unresolved pain: 18% vs. 1%; see Fig 2).

Fig 2. References to clinical and non-clinical staff when describing dissatisfaction with staff interactions, staff demeanor, and unresolved pain.

Fig 2

Discussion

This mixed methods analysis used data from the DISC Study to identify aspects of patient experiences associated with perceived racial/ethnic discrimination in healthcare among a large, diverse sample of patients being treated for pain. It is important to understand experiences of perceived discrimination in healthcare settings for patients with pain, specifically, as experiences of discrimination have been linked to increased pain sensitivity, pain severity, disability, and development of chronic pain [8,9,2831]. In addition, there are well-documented racial/ethnic disparities in both the clinical impact and treatment of pain, for which discrimination may be a contributing factor [14,17,32]. While we considered a wide range of qualitative domains as potential correlates of perceived discrimination in healthcare, only those that pertained to interpersonal interactions and unresolved pain emerged as statistically significant in fully adjusted models stratified by racial/ethnic group. Other aspects of care, including the condition of healthcare facilities, care continuity, and costs, were not associated with perceived discrimination for White, African American, or Latino patients.

We observed variation in the types of domains that were associated with perceived discrimination across racial/ethnic groups, with dissatisfaction in interactions with staff being associated with perceived discrimination among Latinos and dissatisfaction with staff demeanor being associated with perceived discrimination among African Americans. The overarching pattern of negative experiences in interpersonal domains for African American and Latino racial/ethnic groups support conclusions from prior qualitative studies that perceptions of discrimination in healthcare among patients from minority populations manifest, in large part, from poor interpersonal interactions with clinical and non-clinical staff [1012]. Our results are also consistent with research on microaggressions, which are commonplace indignities or insults that are directed, often unintentionally, at members of marginalized groups [33,34]. The types of interpersonal interactions associated with perceived discrimination among African American and Latino patients in the current study suggest that patients were experiencing microaggressions from healthcare employees [35]. It is noteworthy that, even though negative interactions with staff and encountering staff with negative demeanor were equally or more prevalent among White patients, such interpersonal slights were only associated with perceived racial/ethnic discrimination among minority patients.

Another nuance observed in this study was that unresolved pain was associated with perceived discrimination only among White patients. One interpretation of this novel finding is that stigma and frustration surrounding pain management may be a salient issue for White patients, whereas negative interpersonal interactions with healthcare employees in general may be more salient experiences among African American and Latino patients. Given the exploratory nature of this mixed methods analysis, additional research is needed to better understand the nuances in themes we observed as correlates of perceived discrimination across racial/ethnic groups.

While an earlier paper published from the DISC cohort has reported on quantitative ratings of healthcare satisfaction [13], the current mixed methods analysis draws on rich qualitative codes to help identify factors associated with perceived discrimination in healthcare for patients receiving pain management. At first glance, the higher prevalence of perceived discrimination among African American Veterans is at odds with previously published DISC findings of few racial/ethnic differences in quantitative ratings of healthcare satisfaction. As in prior work, we find that Likert satisfaction ratings alone do not fully capture negative healthcare experiences such as those perceived as discriminatory [12,36]. The qualitative data analyzed in the current analysis provide a richer lens to understand the more nuanced aspects of healthcare encounters that contribute to negative experiences, including those attributed to one’s race/ethnicity.

While the study design does not permit causal inference, our thematic analysis of the domains that were associated with perceived discrimination in this study (i.e., staff interactions, staff demeanor, unresolved pain) highlights areas deserving of future research and potential intervention. First, Latino patients who perceived discrimination were likely to have interactions with healthcare employees who were rude, did not listen to patients, or did not provide the information patients desired. African American patients who perceived discrimination were likely to describe healthcare employees who appeared unconcerned about the patient’s wellbeing, made the patient feel stigmatized, or were untrustworthy. Additionally, White patients who perceived discrimination felt they were being accused of illicit behavior and substance abuse. Future research is needed to determine if targeting these aspects of interpersonal interactions improve patient experiences or reduce perceptions of discrimination in healthcare settings. Such strategies could include expanded provider training in pain management and addiction stigma, as well as active listening and other communication skills among the healthcare delivery workforce. Other strategies could involve institutional changes to provide more time in the clinical encounter for pain management, and to support respectful and empowered communication between healthcare employees and patients.

Second, it is troubling that, among our sample of patients with pain, over one in five who perceived discrimination described healthcare experiences in which they felt overtly stigmatized. The prevalence of perceived discrimination observed in this study is within the wide range observed in prior studies that have assessed perceived racial/ethnic discrimination in VA healthcare settings [4,5,3739]. Although the overall prevalence varies across studies depending on the targeted patient population and the measure used to assess perceived discrimination [5], a common pattern observed across the literature is that racial/ethnic discrimination is more frequently reported by racial/ethnic minority patients compared to White patients, as was the case for our study. Amidst a growing number of studies documenting the presence and impact of unconscious biases in the healthcare setting, our findings indicate that instances of blatant biases still occur [40]. It is not possible from the current study to determine if stigma related to addiction, race/ethnicity, or other factors are direct causes of perceived discrimination. And yet, the high prevalence of stigma themes among persons receiving treatment for pain underscores the magnitude of this problem in healthcare.

Additional work is needed to identify effective strategies to reduce stigma for patients with pain. Some promising avenues for future research might include 1) initiatives that promote principles of diversity and inclusion across all aspects of healthcare delivery [41], 2) education for providers and staff in unconscious biases [42] and misperceptions about biological differences between racial/ethnic groups among healthcare providers [32], and 3) deconstructing institutionalized processes that contribute to differential power, privilege, and outcomes across groups [43]. It is also important for future research in this area to determine if interventions aimed at healthcare discrimination could ameliorate persisting racial/ethnic disparities in pain management and outcomes.

Third, our analysis suggests that, contrary to prior qualitative studies that suggested that most perceptions of discrimination emanated from interactions with non-clinical staff [10,12], dissatisfying interpersonal interactions in our sample more often occurred with clinical staff. One potential reason for the different findings is that our study focused exclusively on patients treated for pain. We posit that disputes with providers over pain management create tension in the clinical encounter where provider biases could emerge or patients could attribute unsatisfying treatment plans to their race or ethnicity [28,44,45]. The one exception to our observation of negative interactions with healthcare providers related to rude, condescending, or hostile interactions, which were slightly more often associated with non-clinical than with clinical employees. These findings suggest that addressing behaviors that are associated with perceived discrimination in healthcare settings need to include healthcare employees in both clinical and non-clinical roles.

We note the following study limitations. First, our sample includes Veterans of the United States military who received care for pain from VA medical facilities, thereby limiting generalizability to other patient samples and healthcare systems. However, the domains of dissatisfaction with healthcare experiences that emerged were not unique to pain management or the VA healthcare system. A second limitation is that, because the larger study was about patient satisfaction in general and targeted primary care patients, the survey did not include clinical measures of pain. A third limitation is the cross-sectional nature of the study, which precludes making causal inferences about associations between dissatisfaction with certain domains and perceived discrimination. A related limitation is that we did not ask patients specifically about their experiences with discrimination and what was associated with them, so the correlation between qualitative domains and perceived discrimination could be due to an unobserved variable or reverse causality. Finally, the retrospective nature of the surveys, which covered patient experiences with all VA healthcare in the past year, makes the data subject to recall biases. Prospective studies in which surveys are linked to a single healthcare encounter and explicitly focus on experiences perceived as discriminatory may provide more precise estimates of associations of healthcare domains and perceived discrimination. We also note study strengths. Drawing from semi-structured surveys with over 600 patients from three racial/ethnic groups drawn from 25 VA medical centers nationwide, our analysis is one of the largest and most comprehensive investigations, to date, of healthcare experiences that are associated with perceptions of racial/ethnic discrimination among patients.

Conclusions

Despite the well-established negative association between racial/ethnic-based perceived discrimination and health outcomes, perceived discrimination is not routinely identified or addressed in the context of healthcare. As shown in this large, mixed methods survey of Veterans seeking pain management from the VA, interpersonal aspects of patient healthcare experiences are strong correlates of racial/ethnic-based perceived discrimination in the healthcare setting across multiple racial/ethnic groups. Future studies should investigate the variation in themes associated with perceived discrimination across White, African American, and Latino patients and test whether interventions targeting these domains reduce patient perceptions of racial/ethnic discrimination in healthcare.

Supporting information

S1 Table. Multivariable linear regression model containing domains of dissatisfaction associated with racial/ethnic-based perceived discrimination while seeking healthcare (n = 622).

*P<0.005 is considered statistically significant after applying Bonferroni correction for multiple comparisons. Estimates were obtained using mixed effect linear regression with rating of racial/ethnic-based perceived discrimination while seeking health care (range: 1–5) as the outcome. The model included fixed effects for the qualitative domains and patient sociodemographic characteristics (race/ethnicity, gender, age, education level, health status, depression, and number of outpatient visits at Veterans Affairs Medical Centers in the past 12 months), and a random effect for study site.

(TIFF)

Acknowledgments

The authors thank Kelly Burkitt, PhD, VA Pittsburgh Healthcare System, for serving as site Principal Investigator for the Disparities In Satisfaction with Care (DISC) Study, Nicole Beyer, MA, and Nichole K. Bayliss, PhD, for serving as Project Coordinators, and the team of research assistants and qualitative coders who carried out the recruitment and qualitative coding for the data used in this paper.

Data Availability

These analyses were performed using DISC study data that are available in identifiable form within the firewall used by the Department of Veterans Affairs (VA). The data are located in a secure research environment known as the VA Informatics and Computing Infrastructure (VINCI). Only aggregate summary statistics and results of our analyses are permitted to be removed from behind the VA firewall in order to comply with general regulatory constraints and VA privacy and data security policies. These restrictions support patient privacy and confidentiality. Those wishing to access the DISC study data are welcome to contact the Associate Chief of Staff for Research and Development at the VA Pittsburgh Healthcare System (Steven Graham, MD: Steven.Graham@va.gov) to discuss the details of the VA data access approval process. A de-identified dataset can be made available upon request pending ethical approval and in accordance with VA guidelines.

Funding Statement

This work was supported by the Veterans Integrated Service Network 4 Center for Health Equity Research and Promotion Pilot Research Program (Principal Investigator: LH). The study from which the data were obtained was funded by Department of Veterans Affairs Health Services Research and Development Merit Review (IIR 100144) and Service Directed Research (13-425) awards (Principal Investigator: SZ). Dr. Jones’s effort was supported by the National Center for Advancing Translational Sciences of the National Institutes of Health under Award Number UL1TR002538 and KL2TR002539. The views expressed here are those of the authors and do not represent those of the Department of Veterans Affairs or the United States Government. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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Identifying Healthcare Experiences Associated with Perceptions of Racial/Ethnic Discrimination among Patients with Pain: A Mixed Methods Study

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Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)

Reviewer #1: This manuscript presents findings from a national, cross-sectional survey of VA patients stratified by race/ethnicity (non-Hispanic white vs Hispanic vs black). Authors code open-ended telephone survey responses and then conduct regression analyses to identify correlates of perceived discrimination overall and by veteran race/ethnicity. The focus on veterans with pain is a strength, because racial/ethnic disparities in pain management have been well documented and pain is a common topic of patient dissatisfaction. As detailed below, there are several areas that dampen my enthusiasm: the study design is not clear early on to readers, a clearer focus on implications for pain management (including possibly analyzing pain as a covariate) and more tempered conclusions appropriate to the limitations of cross-sectional data. If these concerns can be addressed, the manuscript has potential to make a meaningful contribution to the literature and advance knowledge.

Specific comments:

1. Title. Overall study design and procedures are not clear based on the abstract and intro; I re-read abstract several times and it was not clear until well into methods section that this study is a survey with both closed-ended items and (semi-structured) open-ended interview questions. Emphasizing the “survey” and de-emphasizing the “mixed methods” aspect throughout manuscript will make study design clearer for readers. Specifically, specifying the population and study design in title will decrease potential for reader confusion. Title should be, “Identifying healthcare experiences … among veterans with pain: a cross-sectional mixed methods survey.”

2. Abstract. Edit to make study design clearer for readers. In DESIGN, consider replacing the term “telephone interviews” with “telephone survey.” In MAIN MEASURES, make it clearer that perceived discrimination (dependent variable) and open-ended questions (which were coded and transformed to derive independent variables) were both collected during the same survey interview. I appreciate the mixed methods aspect but the quantitative component is predominant in this study and should drive how study is described.

3. Abstract. Final sentence of CONCLUSION needs to be more qualified / cautious. It is too strong to conclude definitively from this study that findings “underscore the need for interventions…” In addition, implications may be specific to veterans with pain.

4. Introduction, next-to-last paragraph, page 6. Intro discusses the need to understand correlates of perceived discrimination to improve care generally. However, given the known racial/ethnic disparities in pain management, study findings specifically have potential to generate hypotheses/insights that can help to address racial/ethnic disparities in pain management. Making this point explicitly in the intro (and briefly citing literature on racial/ethnic disparities in pain mgmt) would strengthen study justification and make study more compelling for readers.

5. Introduction, final paragraph. Again, study design is difficult to discern from this paragraph. Describing the survey design before the qualitative coding and using the term “mixed methods survey” instead of “mixed methods study” will help clarify design for readers.

6. Participants, page 9. Adding more detail about patient pain would be helpful given the study focus on patients w pain. It is also plausible that pain & pain management would differ for veterans with vs without perceived discrimination. Did parent study collect data on pain (eg pain numeric rating scale, PEG, pain type/location; study mentions that DISC collected administrative VHA data)? If so, pain-specific variables should be included as covariates or at least summarized in Table 2. If parent study did not collect data on patient pain, this should be acknowledged as a limitation. Did the QOL measures include pain-specific items that could be reported separately?

7. Page 10. Specify whether the coders working in teams of two independently applied the master codebook to each interview or whether they coded together as a team.

8. Table 1. This is a nice table. Since “unresolved pain” is a specific code within the quality of care domain, it would be helpful for results to specify proportion of patients for whom this code was present. This might be reported in table 3 or in the manuscript where table 3 is discussed. would also be helpful to note in parentheses after each example the code(s) that example represents within each domain.

9. Table 1. All the examples under “staff demeanor” relate to pain. Since demeanor was one of the significant correlates of perceived discrimination, it would be helpful to describe in results section the prevalence of pain-specific codes for this domain (either quantitatively, qualitatively, or both). A parallel analysis for the other significant domain (interaction w staff) would also be helpful. This additional detail would help convey to readers how salient pain-related comments are among the survey responses, and by extension, the extent to which pain-specific concerns may correlate w perceived discrimination.

10. Pages 20-21. Very interesting that sub-analyses found that “interaction w staff” was correlated w dissatisfaction only for Hispanic vets, while “demeanor” was correlated w dissatisfaction only for black vets. However, on page 20-21 all the examples or “interaction w staff” came from black vets while almost all the examples of “demeanor” came from Hispanic vets. Why is this?

11. Related to point 10 above, I more detailed results about the differences in findings by veteran race/ethnicity would strengthen the study. As mentioned in the intro, discrimination experienced by Hispanic vets is understudied relative to black vets, so including large proportion of Hispanic vets is a particular strength of this study. Although Tables S1 and S3 present some differences by veteran race/ethnicity and there are obvious differences by race/ethnicity, these differences are mostly glossed over in the main manuscript. For Table S3, may be helpful to see differences across all the themes (not just top 3). More nuanced discussion of qualitative and quantitative differences by race/ethnicity (including differences that may not have meet the very strict corrected p value threshold) would help generate hypotheses about how perceived discrimination differs for black vs Hispanic vs NH white veterans, which in turn would increase study impact.

12. Finally, related to point 11 above, manuscript needs to report more detail about perceived discrimination by NH white veterans and the factors/domains correlated with perceived discrimination in these patients compared to Hispanic and black veterans. Introduction (page 6) makes a point to cite prior studies about experience of “reverse discrimination” and states that discrimination can be perceived by vets of any race/ethnicity. However, results and discussion sections only focus on Hispanic and black veterans.

13. Discussion, page 22. Can authors put the prevalence of any perceived discrimination in their sample (37.5%) in context? Is this higher, lower, or similar to rates reported in other studies of veterans or non-veterans? A quick pubmed search found some articles that may be relevant (e.g. Sorkin, D. H., et al. "Racial/ethnic discrimination in health care: Impact on perceived quality of care." Journal of General Internal Medicine 25(5): 390-396).

14. Second sentence of discussion, line 423. “discrimination” should be “perceived discrimination.”

15. Third sentence of discussion, line 428. Both references (ref 8, 24) are specific to patients with sickle cell disease. References more relevant to this study population would be helpful.

16. Discussion, page 22-23. The finding that interpersonal interactions are consistent drivers of perceived discrimination across race/ethnicity is very interesting and important. I appreciate that the “overarching pattern of negative experiences in interpersonal domains … [was similar for] all racial/ethnic groups.” However, more detail about the specific differences and variation across the 3 racial/ethnic groups studied should be included in discussion, even if similarities outweigh differences. As noted above, the intro highlighted the inclusion of Hispanic vets and potential ‘reverse discrimination’ among NH white vets as strengths of this study. Thus, readers will be expecting results and discussions related to these two topics.

17. Discussion, page 23 line 452. Please replace the term “soft skills” with communication skills, remove the scare quotes, and remove communication skills from the list at the start of that sentence. All the examples provided in this paragraph are specific types of communication skills. It is inappropriate to use terminology that implies communication skills are less important or more subjective than other clinical skills.

18. Discussion. On page 25, the authors appropriately discuss limitations of this cross-sectional survey, particularly inability to assess causation or control for unmeasured confounding. However, the paragraph starting on line 443 (pages 23-24) seems to ignore these limitations by suggesting that study results directly support specific future interventions which all implicitly assume that experiencing the themes identified causes perceived discrimination. This paragraph should be much more cautious about results interpretation and next steps and include discussion of both potential ‘causal’ and ‘non-causal’ explanations/interpretations of study findings. Based on data presented, reverse causation is also plausible (i.e. patients who have experienced past discrimination are more likely to report/remember/perceive discrimination in the VA).

19. Page 23, the sentence starting on line 454 (“Disruptive innovations in healthcare models… should also be explored.”) should be deleted. Even setting aside the inability of this study to evaluate causal associations, the data presented does not support or suggest that these types of interventions are likely to reduce perceived discrimination. If anything, the data suggest such “disruptive” system-level innovations would not reduce perceived discrimination, because systems domains (facilities, nonmedical aspects of care, continuity of care, access) were not associated w perceived discrimination in the final model.

20. Similarly, the two sentences starting on page 465 (“not only should such initiatives…in this study”) should be deleted because they do not follow from the data presented and implicitly interpret correlations as causal associations. The study did not address unconscious bias or beliefs about biological difference between races, or how presence of these staff attitudes might relate to the qualitative themes.

21. As noted in prior comments, it would strengthen discussion to talk about whether findings and further efforts to reduce perceived discrimination among veterans has the potential to ameliorate documented racial/ethnic disparities in pain management.

22. Authors have already published data from parent study on positive patient comments (JGIM 2018;33:305-331), where they found no consistent differences in correlates of satisfaction by veteran race/ethnicity. Would be helpful to briefly mention the results of that analysis to put the current findings related to negative comments in context. If correlates of veteran satisfaction are similar across racial/ethnic groups but correlates of dissatisfaction differ by race/ethnicity, that would be a provocative finding, even if it is only preliminary.

Reviewer #2: Overall this is a good paper on an important topic. I do have a few thoughts.

1. On page 9 lines 173-174. The authors describe how they excluded participants were missing data on the perceived discrimination measure. However, page 13 second paragraph you wrote that you calculated using values and the perceived discrimination scale by using the mean value of the nine missing items. Which one did you do?

2. On page 18, there is no discussion of pharmacy is the difference between no PD and any PD there was significant at the .001 level

3. on page 22 line 423, the word explain should be changed to identify

Which

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PLoS One. 2020 Sep 3;15(9):e0237650. doi: 10.1371/journal.pone.0237650.r002

Author response to Decision Letter 0


13 Jul 2020

Editor Comments

Please pay particular attention to Reviewer 1's comments about clear explanation of the methodology, and clarity and appropriateness of inference.

Response: We have made substantial revisions to the paper in response to Reviewer 1’s comments. Specific changes made in response to each comment are itemized below and changes to the manuscript reflecting these suggestions appear in bolded text.

Reviewers’ Comments

Reviewer 1, Comments to the Author

1. This manuscript presents findings from a national, cross-sectional survey of VA patients stratified by race/ethnicity (non-Hispanic white vs Hispanic vs black). Authors code open-ended telephone survey responses and then conduct regression analyses to identify correlates of perceived discrimination overall and by veteran race/ethnicity. The focus on veterans with pain is a strength, because racial/ethnic disparities in pain management have been well documented and pain is a common topic of patient dissatisfaction. As detailed below, there are several areas that dampen my enthusiasm: the study design is not clear early on to readers, a clearer focus on implications for pain management (including possibly analyzing pain as a covariate) and more tempered conclusions appropriate to the limitations of cross-sectional data. If these concerns can be addressed, the manuscript has potential to make a meaningful contribution to the literature and advance knowledge.

Response: We appreciate the reviewer’s overall assessment of the potential contribution of our paper. As detailed below, we have made changes throughout the paper to clarify the study design (see comments 2, 3, and 6), provide the implications of our findings for pain management (see comments 5, 7, and 9), and temper the conclusions we draw given the limitations of our cross-sectional data (see comments 4, 19, 20, and 21).

Reviewer 1, Specific Comments

2. Title: Overall study design and procedures are not clear based on the abstract and intro; I re-read abstract several times and it was not clear until well into methods section that this study is a survey with both closed-ended items and (semi-structured) open-ended interview questions. Emphasizing the “survey” and de-emphasizing the “mixed methods” aspect throughout manuscript will make study design clearer for readers. Specifically, specifying the population and study design in title will decrease potential for reader confusion. Title should be, “Identifying healthcare experiences … among veterans with pain: a cross-sectional mixed methods survey.”.

Response: We have adopted the suggested title and changed “interview” to “survey” in the abstract and throughout the paper in response to this comment.

3. Abstract: Edit to make study design clearer for readers. In DESIGN, consider replacing the term “telephone interviews” with “telephone survey.” In MAIN MEASURES, make it clearer that perceived discrimination (dependent variable) and open-ended questions (which were coded and transformed to derive independent variables) were both collected during the same survey interview. I appreciate the mixed methods aspect but the quantitative component is predominant in this study and should drive how study is described.

Response: As suggested, we have removed the term mixed methods from the abstract and now refer to the interviews as surveys. We carried these changes throughout the rest of the manuscript (e.g., methods, tables, discussion) to make the design clearer to readers. We also revised the methods in the abstract and main text to clarify that the perceived discrimination survey and the open-ended questions were collected in the same survey.

4. Abstract: Final sentence of CONCLUSION needs to be more qualified / cautious. It is too strong to conclude definitively from this study that findings “underscore the need for interventions…” In addition, implications may be specific to veterans with pain.

Response: We appreciate the reviewer’s caution that our study does not point to specific interventions because causal relationships cannot be established using cross-sectional data. We also think that shying away from any implications is overly cautious and could undermine the potential impact of our findings. We therefore have toned down the definitive nature of our concluding statement while still calling for research that explore possible interventions to reduce perceived discrimination among patients. The final sentence now reads:

Future studies should test whether interventions targeting these domains reduce patient perceptions of racial/ethnic discrimination in healthcare.

5. Introduction, next-to-last paragraph, page 6: Intro discusses the need to understand correlates of perceived discrimination to improve care generally. However, given the known racial/ethnic disparities in pain management, study findings specifically have potential to generate hypotheses/insights that can help to address racial/ethnic disparities in pain management. Making this point explicitly in the intro (and briefly citing literature on racial/ethnic disparities in pain mgmt) would strengthen study justification and make study more compelling for readers.

Response: Thank you. We added the following sentence to the introduction (lines 126-129).

Given the known racial/ethnic disparities in pain management [14–17], we then looked at associations between the dissatisfaction domains and the quantitative measure of discrimination within White, African American, and Latino groups to gain insights into potential targets for disparity interventions.

We also added the following sentence to the first paragraph of the discussion to put the study in context of the broader literature on racial disparities in pain management and the likely role of discrimination as a factor contributing to those disparities (lines 482-484):

In addition, there are well-documented racial/ethnic disparities in both the clinical impact and treatment of pain, for which discrimination may be a contributing factor [14,17,32].

6. Introduction, final paragraph: Again, study design is difficult to discern from this paragraph. Describing the survey design before the qualitative coding and using the term “mixed methods survey” instead of “mixed methods study” will help clarify design for readers.

Response: We removed the term mixed methods from the first sentence of the paragraph and replaced mixed methods study with mixed methods survey later in the paragraph.

7. Participants, page 9: Adding more detail about patient pain would be helpful given the study focus on patients w pain. It is also plausible that pain & pain management would differ for veterans with vs without perceived discrimination. Did parent study collect data on pain (eg pain numeric rating scale, PEG, pain type/location; study mentions that DISC collected administrative VHA data)? If so, pain-specific variables should be included as covariates or at least summarized in Table 2. If parent study did not collect data on patient pain, this should be acknowledged as a limitation. Did the QOL measures include pain-specific items that could be reported separately?

Response: The parent study was focused on primary care patients and therefore did not collect pain measures. We note this as a limitation in the discussion (lines 593-595):

A second limitation is that, because the larger study was about patient satisfaction in general and targeted primary care patients, the survey did not include clinical measures of pain.

8. Page 10: Specify whether the coders working in teams of two independently applied the master codebook to each interview or whether they coded together as a team.

Response: We have clarified that coders independently coded the interviews and then met to adjudicate any discrepancies that emerged between them (lines 190-194):

Working initially in teams of two, coders applied the final master codebook to their assigned recordings, each completing the coding independently. The two coders then engaged in an inter-coder reliability adjudication process where they deliberated in order to come to agreement per code. Twenty percent of the interviews were coded using an inter-coder reliability process.

9. Table 1: This is a nice table. Since “unresolved pain” is a specific code within the quality of care domain, it would be helpful for results to specify proportion of patients for whom this code was present. This might be reported in table 3 or in the manuscript where table 3 is discussed. would also be helpful to note in parentheses after each example the code(s) that example represents within each domain.

Response: Thank you for this excellent suggestion. In response, we revised our analyses to treat the unresolved pain code as its own predictor variable rather than grouping it with the other codes in the quality of care domain. This change resulted in changes to all of the results, tables, and Figure 2. This change also impacted the discussion section, which now comments on the new finding that the association of unresolved pain with perceived discrimination was only observed among White participants (lines 510-518). We have also added the codes for each quote included in Table 1.

10. Table 1: All the examples under “staff demeanor” relate to pain. Since demeanor was one of the significant correlates of perceived discrimination, it would be helpful to describe in results section the prevalence of pain-specific codes for this domain (either quantitatively, qualitatively, or both). A parallel analysis for the other significant domain (interaction w staff) would also be helpful. This additional detail would help convey to readers how salient pain-related comments are among the survey responses, and by extension, the extent to which pain-specific concerns may correlate w perceived discrimination.

Response: Unfortunately, the sub-analysis suggested by the reviewer is not possible because there are no pain-specific codes in the staff demeanor or interactions domains. The only code that obviously referenced pain is “unresolved pain”. We addressed this comment in three ways:

1) We added new example quotes to Table 1 to show the diversity of interview responses.

2) To address the reviewer’s request, one author (SZ) reviewed a 20% random sample of quotes for the domains of dissatisfaction with staff demeanor and negative interactions to see if pain-specific concerns emerged and to determine if the requested sub-analysis would be fruitful. In these domains, only 3.8% of staff demeanor quotes (4 of 104 reviewed) and only 5.2% of negative interactions quotes (8 of 155 reviewed) clearly referenced pain concerns. A full analysis of pain-specific quotes within these domains was not pursued further due to low frequency.

3) As noted in our response to Comment 9, we reran our statistical models with unresolved pain as a predictor that was separate from the other quality of care codes (see Tables 3-5). Indeed, poor care attributed to unresolved pain was associated with perceived discrimination among White patients. We describe these new findings throughout the results and discussion.

11. Pages 20-21: Very interesting that sub-analyses found that “interaction w staff” was correlated w dissatisfaction only for Hispanic vets, while “demeanor” was correlated w dissatisfaction only for black vets. However, on page 20-21 all the examples or “interaction w staff” came from black vets while almost all the examples of “demeanor” came from Hispanic vets. Why is this?

Response: We thank the reviewer for bringing this oversight to our attention. We did not systematically select quotes based on patient race or ethnicity and had not realized the pattern noted by the reviewer for our selected quotes. In response to this comment, we re-examined our quotes and selected alternative examples from all three racial/ethnic groups in our sample (lines 395-441).

12. Related to point 11 above: More detailed results about the differences in findings by veteran race/ethnicity would strengthen the study. As mentioned in the intro, discrimination experienced by Hispanic vets is understudied relative to black vets, so including large proportion of Hispanic vets is a particular strength of this study. Although Tables S1 and S3 present some differences by veteran race/ethnicity and there are obvious differences by race/ethnicity, these differences are mostly glossed over in the main manuscript. For Table S3, may be helpful to see differences across all the themes (not just top 3). More nuanced discussion of qualitative and quantitative differences by race/ethnicity (including differences that may not have met the very strict corrected p value threshold) would help generate hypotheses about how perceived discrimination differs for black vs Hispanic vs NH white veterans, which in turn would increase study impact.

Response: We appreciate the reviewer’s recognition that the inclusion of Latino Veterans in our sample as a strength of the study. Given the exploratory nature of our quantitative analysis, we are also careful not to over-interpret differences across groups that could be driven by relatively low frequency of certain codes within certain groups. Our use of the Bonferroni correction helps focus the discussion on stronger associations that are less likely to be due to chance. That said, in response to the above comment, we have moved Tables S1 and S3 to the main text as Tables 5 and 6, respectively, so that readers have easier access to the results stratified by race/ethnicity. We also report the race-specific results in the abstract and have expanded Table S2 (now Table 6) to include all the codes within the domains of interactions with staff and staff demeanor. Finally, we have added text in the results and discussion to highlight some of the nuances across the groups.

Results (lines 442-452):

The patterns of codes were generally similar across racial/ethnic groups with some subtle nuances (Table 6). For example, many of the codes were more frequent among White participants than among African American or Latino participants, especially rudeness, not listening, treating Veterans like a number, general statements about unresolved pain, and being perceived as drug-seeking. Also, the distribution of individual codes pertaining to staff demeanor were different among African American and Latino participants. For example, stigma, dishonest/untrustworthy, and unhelpful codes came up more frequently for African American participants, whereas the relatively infrequent codes of unprofessional and uninviting/unwelcoming demeanor came up more often for Latino participants (Table 6).

Discussion (lines 491-518):

We observed variation in the types of domains that were associated with perceived discrimination across racial/ethnic groups, with dissatisfaction in interactions with staff being associated with perceived discrimination among Latinos and dissatisfaction with staff demeanor being associated with perceived discrimination among African Americans. The overarching pattern of negative experiences in interpersonal domains for African American and Latino racial/ethnic groups support conclusions from prior qualitative studies that perceptions of discrimination in healthcare among patients from minority populations manifest, in large part, from poor interpersonal interactions with clinical and non-clinical staff [10–12]. Our results are also consistent with research on microaggressions, which are commonplace indignities or insults that are directed, often unintentionally, at members of marginalized groups [33,34]. The types of interpersonal interactions associated with perceived discrimination among African American and Latino patients in the current study suggest that patients were experiencing microaggressions from healthcare employees [35]. It is noteworthy that, even though negative interactions with staff and encountering staff with negative demeanor were equally or more prevalent among White patients, such interpersonal slights were only associated with perceived discrimination among minority patients.

Another nuance observed in this study was that unresolved pain was associated with perceived discrimination only among White patients. One interpretation of this novel finding is that stigma and frustration surrounding pain management may be a salient issue for White patients, whereas negative interpersonal interactions with healthcare employees in general may be more salient experiences among African American and Latino patients. Given the exploratory nature of this mixed methods analysis, additional research is needed to better understand the nuances in themes we observed as correlates of perceived discrimination across racial/ethnic groups.

13. Finally, related to point 12 above: manuscript needs to report more detail about perceived discrimination by NH white veterans and the factors/domains correlated with perceived discrimination in these patients compared to Hispanic and black veterans. Introduction (page 6) makes a point to cite prior studies about experience of “reverse discrimination” and states that discrimination can be perceived by vets of any race/ethnicity. However, results and discussion sections only focus on Hispanic and black veterans.

Response: In response to comment 11 (above), we examined unresolved pain and found this was a significant correlate of perceived discrimination among White Veterans. We now discuss this finding in the abstracts, results, and discussion. We also include sample quotes from all three groups, including White Veterans, in the results section.

14. Discussion, page 22: Can authors put the prevalence of any perceived discrimination in their sample (37.5%) in context? Is this higher, lower, or similar to rates reported in other studies of veterans or non-veterans? A quick pubmed search found some articles that may be relevant (e.g. Sorkin, D. H., et al. "Racial/ethnic discrimination in health care: Impact on perceived quality of care." Journal of General Internal Medicine 25(5): 390-396).

Response: We have added the following text and references to note that the prevalence observed in our sample is within the wide range of prevalence observed in other studies of Veterans. Due to the wide variation in prevalence and inconsistencies in the specific measures used to assess perceived discrimination across different studies, we do not think it would be appropriate to provide a specific range within the text. We instead point readers to papers that they can read if they are interested in learning more about variation in perceived discrimination across different populations (lines 552-559):

The prevalence of perceived discrimination observed in this study is within the wide range observed in prior studies that have assessed perceived racial/ethnic discrimination in VA healthcare settings [4,5,37–39]. Although the overall prevalence varies across studies depending on the targeted patient population and the measure used to assess perceived discrimination [5], a common pattern observed across the literature is that racial/ethnic discrimination is more frequently reported by racial/ethnic minority patients compared to White patients, as was the case for our study.

15. Second sentence of discussion, line 423: “discrimination” should be “perceived discrimination.”

Response: Thank you for catching this omission. We have changed the terminology as suggested (now line 485).

16. Third sentence of discussion, line 428: Both references (ref 8, 24) are specific to patients with sickle cell disease. References more relevant to this study population would be helpful.

Response: We have supplemented the original references with papers showing similar relationships between experiences of discrimination and pain intensity, disability, and development of chronic pain (lines 478-484):

It is important to understand experiences of perceived discrimination in healthcare settings for patients with pain, specifically, as experiences of discrimination have been linked to increased pain sensitivity, pain severity, disability, and development of chronic pain [8,9,28–31].

17. Discussion, page 22-23: The finding that interpersonal interactions are consistent drivers of perceived discrimination across race/ethnicity is very interesting and important. I appreciate that the “overarching pattern of negative experiences in interpersonal domains … [was similar for] all racial/ethnic groups.” However, more detail about the specific differences and variation across the 3 racial/ethnic groups studied should be included in discussion, even if similarities outweigh differences. As noted above, the intro highlighted the inclusion of Hispanic vets and potential ‘reverse discrimination’ among NH white vets as strengths of this study. Thus, readers will be expecting results and discussions related to these two topics.

Response: Thank you. We now discuss the specific findings correlating with reverse discrimination among non-Hispanic white Veterans. For more on this, see our detailed response to comment 13 above.

18. Discussion, page 23 line 452: Please replace the term “soft skills” with communication skills, remove the scare quotes, and remove communication skills from the list at the start of that sentence. All the examples provided in this paragraph are specific types of communication skills. It is inappropriate to use terminology that implies communication skills are less important or more subjective than other clinical skills.

Response: We have modified the sentence as suggested by the reviewer (lines 544-549):

Such strategies could include expanded provider training in pain management and addiction stigma, as well as active listening and other communication skills among the healthcare delivery workforce. Other strategies could involve institutional changes to provide more time in the clinical encounter for pain management, and to support respectful and empowered communication between healthcare employees and patients.

19. Discussion: On page 25, the authors appropriately discuss limitations of this cross-sectional survey, particularly inability to assess causation or control for unmeasured confounding. However, the paragraph starting on line 443 (pages 23-24) seems to ignore these limitations by suggesting that study results directly support specific future interventions which all implicitly assume that experiencing the themes identified causes perceived discrimination. This paragraph should be much more cautious about results interpretation and next steps and include discussion of both potential ‘causal’ and ‘non-causal’ explanations/interpretations of study findings. Based on data presented, reverse causation is also plausible (i.e. patients who have experienced past discrimination are more likely to report/remember/perceive discrimination in the VA).

Response: We have substantially edited this paragraph with more tentative language (lines 532-549):

While the study design does not permit causal inference, our thematic analysis of the domains that were associated with perceived discrimination in this study (i.e., staff interactions, staff demeanor, unresolved pain), highlight areas deserving of future research and potential intervention. First, African American patients who perceived discrimination were likely to have interactions with healthcare employees who were rude, did not listen to patients, or did not provide the information patients desired. Latino patients who perceived discrimination were likely to describe interpersonal interactions with healthcare employees who appeared unconcerned about the patient’s wellbeing, made the patient feel stigmatized, or were untrustworthy. Additionally, White patients who perceived discrimination felt they were being accused of illicit behavior and substance abuse. Future research is needed to determine if targeting these aspects of interpersonal interactions improve patient experiences or reduce perceptions of discrimination in healthcare settings. Such strategies could include expanded provider training in pain management and addiction stigma, as well as active listening and other communication skills among the healthcare delivery workforce. Other strategies could involve institutional changes to provide more time in the clinical encounter for pain management, and to support respectful and empowered communication between healthcare employees and patients.

20. Page 23, the sentence starting on line 454 (“Disruptive innovations in healthcare models… should also be explored.”) should be deleted. Even setting aside the inability of this study to evaluate causal associations, the data presented does not support or suggest that these types of interventions are likely to reduce perceived discrimination. If anything, the data suggest such “disruptive” system-level innovations would not reduce perceived discrimination, because systems domains (facilities, nonmedical aspects of care, continuity of care, access) were not associated w perceived discrimination in the final model.

Similarly, the two sentences starting on page 465 (“not only should such initiatives…in this study”) should be deleted because they do not follow from the data presented and implicitly interpret correlations as causal associations. The study did not address unconscious bias or beliefs about biological difference between races, or how presence of these staff attitudes might relate to the qualitative themes.

Response: We substantially revised the discussion to include more tentative language while still suggesting topics to pursue in subsequent research. The paragraph referenced in the above comment now reads as follows (lines 561-575):

It is not possible from the current study to determine if stigma related to addiction, race/ethnicity, or other factors are direct causes of perceived discrimination. And yet, the high prevalence of stigma themes among persons receiving treatment for pain underscores the magnitude of this problem in healthcare. Additional work is needed to identify effective strategies to reduce stigma for patients with pain. Some promising avenues for future research might include 1) initiatives that promote principles of diversity and inclusion across all aspects of healthcare delivery [41], 2) education for providers and staff in unconscious biases [42] and misperceptions about biological differences between racial/ethnic groups among healthcare providers [32], and 3) deconstructing institutionalized processes that contribute to differential power, privilege, and outcomes across groups [43]. It is also important for future research in this area to determine if interventions aimed at healthcare discrimination could ameliorate persisting racial/ethnic disparities in pain management and outcomes.

21. As noted in prior comments, it would strengthen discussion to talk about whether findings and further efforts to reduce perceived discrimination among veterans has the potential to ameliorate documented racial/ethnic disparities in pain management.

Response: We added the following sentence to highlight this research gap (lines 572-575):

It is also important for future research in this area to determine if interventions aimed at healthcare discrimination could ameliorate persisting racial/ethnic disparities in pain management and outcomes.

22. Authors have already published data from parent study on positive patient comments (JGIM 2018;33:305-331), where they found no consistent differences in correlates of satisfaction by veteran race/ethnicity. Would be helpful to briefly mention the results of that analysis to put the current findings related to negative comments in context. If correlates of veteran satisfaction are similar across racial/ethnic groups but correlates of dissatisfaction differ by race/ethnicity, that would be a provocative finding, even if it is only preliminary.

Response: We now describe our findings in relation to prior published data from the parent study (lines 519-531):

While an earlier paper published from the DISC cohort has reported on quantitative ratings of healthcare satisfaction [13], the current mixed methods analysis draws on rich qualitative codes to help explain drivers of perceived discrimination in healthcare for patients receiving pain management. At first glance, the higher prevalence of perceived discrimination among African American Veterans is at odds with previously published DISC findings of few racial/ethnic differences in quantitative ratings of healthcare satisfaction. As in prior work, we find that Likert satisfaction ratings alone do not fully capture adverse healthcare experiences such as those perceived as discriminatory [12,36]. The qualitative data analyzed in the current study provide a richer lens to understand the more nuanced aspects of healthcare encounters that contribute to negative experiences, including those attributed to one’s race/ethnicity.

Reviewer 2, Specific Comments

23. Page 9, lines 173-174: The authors describe how they excluded participants were missing data on the perceived discrimination measure. However, page 13 second paragraph you wrote that you calculated using values and the perceived discrimination scale by using the mean value of the non-missing items. Which one did you do?

Response: We thank the reviewer for pointing out the need for clarification. We note in the participants section that we excluded from analysis participants with substantial missing data on the primary outcome measure (i.e., 2 or more items). We also revised the description of our primary outcome to remind readers of the exclusion criteria and to indicate that, for small missingness, we calculated discrimination as the average of non-missing items.

Participants (lines 166-171):

The current study focused on White, African American, and Latino DISC participants who met the following additional criteria: 1) responded “yes” to the question, “Have you received pain management from the VA in the last 24 months?”; 2) reported on their satisfaction with pain management; 3) and completed a measure of perceived discrimination (described below). We excluded participants missing data for >2 items on the 7-item perceived discrimination measure.

Primary outcome (lines 243-246):

For participants answering at least 6 of the 7 items, we calculated an overall discrimination score as the average of non-missing items; participants missing 2 or more items were excluded.

24. Page 18: there is no discussion of pharmacy in the difference between no PD and any PD there was significant at the .001 level.

Response: We note in the text that dissatisfaction with pharmacy services occurred more frequently among patients with perceived discrimination compared to those with no perceived discrimination when discussing Table 3. We do not elaborate on this variable further because it was no longer statistically significant after controlling for the other healthcare domains (Tables 4 and 5).

25. Page 22, line 423: the word explain should be changed to identify.

Response: We have made the requested change (now line 476).

Decision Letter 1

M Barton Laws

31 Jul 2020

Identifying healthcare experiences associated with perceptions of racial/ethnic discrimination among veterans with pain: A cross-sectional mixed methods survey

PONE-D-20-03894R1

Dear Dr. Hausmann,

We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements.

Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication.

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Kind regards,

M Barton Laws

Academic Editor

PLOS ONE

Additional Editor Comments (optional):

Although I am recommending acceptance and do not feel this needs further peer review, please note that both reviewers have made minor queries. You will probably want to address them in the final version of your paper. That said, I am very pleased to see this work be published.

Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

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Reviewer #1: All comments have been addressed

Reviewer #2: All comments have been addressed

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Reviewer #1: Yes

Reviewer #2: Yes

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3. Has the statistical analysis been performed appropriately and rigorously?

Reviewer #1: Yes

Reviewer #2: Yes

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Reviewer #1: No

Reviewer #2: Yes

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Reviewer #1: Yes

Reviewer #2: Yes

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6. Review Comments to the Author

Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)

Reviewer #1: This revised manuscript is substantially improved compared to the initial submission. I appreciate the amount of work the authors put in to this revision. In addition to addressing all my comments, they re-ran analyses using unresolved pain as a separate code. The revised results and revised discussion are now much more interesting. The discussion about differences in experiences associated with perceived discrimination among white, Latino, and black veterans is good, and in particular the finding that unresolved pain was associated with perceived discrimination (particularly among white veterans) was very interesting. The added tables are helpful. This paper represents a useful addition to the literature and should be of interest to PLOS ONE readers.

One minor comment - line 124 mentions 9 qualitative domains; the rest of the manuscript mentions 10 domains. please check whether mention of 9 domains on line 124 is a typo.

Reviewer #2: I could not find any description of the personnel who conducted the telephone surveys. Are they matched to the ethnicity of the participants? There should be some discussion about this and its potential to bias responses from participants.

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Reviewer #1: No

Reviewer #2: No

Acceptance letter

M Barton Laws

25 Aug 2020

PONE-D-20-03894R1

Identifying healthcare experiences associated with perceptions of racial/ethnic discrimination among veterans with pain: A cross-sectional mixed methods survey

Dear Dr. Hausmann:

I'm pleased to inform you that your manuscript has been deemed suitable for publication in PLOS ONE. Congratulations! Your manuscript is now with our production department.

If your institution or institutions have a press office, please let them know about your upcoming paper now to help maximize its impact. If they'll be preparing press materials, please inform our press team within the next 48 hours. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information please contact onepress@plos.org.

If we can help with anything else, please email us at plosone@plos.org.

Thank you for submitting your work to PLOS ONE and supporting open access.

Kind regards,

PLOS ONE Editorial Office Staff

on behalf of

Dr. M Barton Laws

Academic Editor

PLOS ONE

Associated Data

    This section collects any data citations, data availability statements, or supplementary materials included in this article.

    Supplementary Materials

    S1 Table. Multivariable linear regression model containing domains of dissatisfaction associated with racial/ethnic-based perceived discrimination while seeking healthcare (n = 622).

    *P<0.005 is considered statistically significant after applying Bonferroni correction for multiple comparisons. Estimates were obtained using mixed effect linear regression with rating of racial/ethnic-based perceived discrimination while seeking health care (range: 1–5) as the outcome. The model included fixed effects for the qualitative domains and patient sociodemographic characteristics (race/ethnicity, gender, age, education level, health status, depression, and number of outpatient visits at Veterans Affairs Medical Centers in the past 12 months), and a random effect for study site.

    (TIFF)

    Data Availability Statement

    These analyses were performed using DISC study data that are available in identifiable form within the firewall used by the Department of Veterans Affairs (VA). The data are located in a secure research environment known as the VA Informatics and Computing Infrastructure (VINCI). Only aggregate summary statistics and results of our analyses are permitted to be removed from behind the VA firewall in order to comply with general regulatory constraints and VA privacy and data security policies. These restrictions support patient privacy and confidentiality. Those wishing to access the DISC study data are welcome to contact the Associate Chief of Staff for Research and Development at the VA Pittsburgh Healthcare System (Steven Graham, MD: Steven.Graham@va.gov) to discuss the details of the VA data access approval process. A de-identified dataset can be made available upon request pending ethical approval and in accordance with VA guidelines.


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