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International Journal of Environmental Research and Public Health logoLink to International Journal of Environmental Research and Public Health
. 2020 Aug 10;17(16):5786. doi: 10.3390/ijerph17165786

COVID-19 Pandemic among Latinx Farmworker and Nonfarmworker Families in North Carolina: Knowledge, Risk Perceptions, and Preventive Behaviors

Sara A Quandt 1,*, Natalie J LaMonto 2, Dana C Mora 3, Jennifer W Talton 4, Paul J Laurienti 5, Thomas A Arcury 3
PMCID: PMC7459606  PMID: 32785108

Abstract

(1) Background: The COVID-19 pandemic poses substantial threats to Latinx farmworkers and other immigrants in food production and processing. Classified as essential, such workers cannot shelter at home. Therefore, knowledge and preventive behaviors are important to reduce COVID-19 spread in the community. (2) Methods: Respondents for 67 families with at least one farmworker (FWF) and 38 comparable families with no farmworkers (nonFWF) in North Carolina completed a telephone survey in May 2020. The survey queried knowledge of COVID-19, perceptions of its severity, self-efficacy, and preventive behaviors. Detailed data were collected to document household members’ social interaction and use of face coverings. (3) Results: Knowledge of COVID-19 and prevention methods was high in both groups, as was its perceived severity. NonFWF had higher self-efficacy for preventing infection. Both groups claimed to practice preventive behaviors, though FWF emphasized social avoidance and nonFWF emphasized personal hygiene. Detailed social interactions showed high rates of inter-personal contact at home, at work, and in the community with more mask use in nonFWF than FWF. (4) Conclusions: Despite high levels of knowledge and perceived severity for COVID-19, these immigrant families were engaged in frequent interpersonal contact that could expose community members and themselves to COVID-19.

Keywords: coronavirus, agricultural workers, health behavior model, structural vulnerability

1. Introduction

The 2020 coronavirus pandemic has posed a substantial threat to immigrant farmworkers in the United States (USA) and other workers in the food production and processing system worldwide [1,2,3,4]. Such workers are deemed essential workers [5,6] and are unable to practice preventive measures such as sheltering at home and working from home that may be recommended to the general population. In addition, food system workers are often of low socioeconomic status, immigrant, minority, and undocumented so that they are excluded from some of the economic legal protections of workers in other industries [7]. In regard to the pandemic, they are specifically excluded from the social safety net provided by the Coronavirus Aid, Relief and Economic Security (CARES) Act [8]. They also may not be reached by rapidly evolving public health messaging or provision of personal protective equipment intended to provide them with the knowledge and materials needed to protect themselves [5,9]. In the USA, many immigrant workers exist at the poverty threshold and lack health insurance and access to health care [10,11], further diminishing their ability to protect their health in a pandemic [3,9]. Such structural factors have been found to explain the uneven distribution of COVID-19 in the USA population during the pandemic [12].

Substantial concern was expressed in the USA about Latinx farmworkers’ risk of COVID-19 early in the pandemic [4,13,14]. These workers often work seasonally, and the spring work season commenced within the first months of the pandemic. Workers were considered to be at risk because close contact in crowded housing [15,16] and transportation used to reach the fields could increase rates of disease transmission [17,18]. Within the fields, workers often work in close proximity picking row crops; and some equipment requires two or more workers to sit side by side, e.g., on mechanical setters as they plant seedlings. They also have limited access to water and other sanitation supplies [4]. Workers could then act as a vector to their larger communities by infecting other workers and family members. Such patterns were observed by April 2020, in immigrant worker populations in meat and poultry processing facilities [19], further increasing the concern for seasonal and migrant crop workers who would begin work in May and June in areas such as North Carolina [20].

Public health directives about COVID-19 in the USA changed rapidly over the first few months of the pandemic [9]. Early findings that coronavirus was stable on surfaces for hours or even days [21] led to recommendations that focused on use of cleaning products to sanitize frequently touched surfaces such as doorknobs and countertops. These were subsequently downplayed as research and modeling of effects in other countries demonstrated the importance of droplet transmission of the virus, which could be reduced through physical distancing and use of face coverings such as masks [22,23]. Similarly, some early claims for treatment and cures for COVID-19 later proved false or were subject to hurried and incomplete evaluation [24]. Communication of these messages to the public, particularly to those who did not receive communications well in English, sometimes lagged behind scientific findings. Taken together, the rapidly changing messages, coupled with public concern, and limited availability of up-to-date information in formats for those with limited English proficiency created a situation in the USA in which Latinx workers such as farmworkers were likely to lack consistent and accurate information and, as a result, practice ineffective behaviors to protect themselves and prevent spreading disease to their social network.

This study is guided by constructs from the Health Belief Model (HBM) [25]. The HBM tries to understand how knowledge and personal factors lead to actions to protect or promote health. In the HBM, perceptions of one’s susceptibility to a disease and its perceived severity influence actions taken. Individuals must perceive that they are susceptible, in this case, to COVID-19, and that contracting and spreading the disease would have serious consequences. In addition, self-efficacy, the belief in one’s ability to take effective action in the situation of risk to health, influences whether or not one engages in health protective or promoting actions. This suggests that having a strong sense of self-efficacy in practicing protective measures to prevent contracting and spreading COVID-19 will lead to engaging in such measures. In this study, we measure a number of these constructs, though we do not execute a full test of the HBM.

Interpretation of results is placed in the framework of structural vulnerability [26]. This argues that one’s health vulnerability is the product of one’s place in the social hierarchy with its diverse set of power relationships, based on ethnicity and class. When applied to immigrant workers, factors such as occupation, documentation status, and access to government benefits provide context, and in fact, limit the choices, within which health behaviors understood within the HBM can occur.

We report survey data collected in a narrow time window, May 2020, from women in a sample of Latinx farmworker families and a comparison group of Latinx nonfarmworker families in North Carolina, USA. The paper has three aims. In all cases, we will compare farmworker families and families with no worker engaged in farm work. First, we will describe the families’ respondents’ (1) knowledge of coronavirus contagion and prevention, (2) risk perceptions, and (3) practices used for prevention and spread of COVID-19. Second, we will describe household social interactions and protections taken, both outside of work and at work. Third, we will use these data to identify specific risks for each group, as well as areas where policy changes can help mitigate the risk for COVID-19.

2. Materials and Methods

The study reported here is part of a larger two-group, prospective study examining the health and cognitive effects of pesticide exposure in children in farmworker families. The larger study uses a comparative design, with a sample of families of Latinx farmworkers with children and a sample of similar families but without any farmworker members. Additional details of the study can be found elsewhere [27]. The current study used a telephone survey to reach the mother of the children in these families in May 2020, when no face-to-face contact between study staff and study participants was permitted by the Institutional Review Board due to COVID-19-related health concerns for research participants. All procedures for both the original study and this COVID-19 study were approved by the Wake Forest University Institutional Review Board. The study received a Certificate of Confidentiality from the National Institutes of Health.

2.1. Inclusion Criteria and Participant Recruitment

Inclusion criteria for the families were similar in both samples when recruited from March 2018, to December 2019; they reflect the purpose of the larger study. Each family had to have a child aged 8 years at baseline who had completed the first grade in the USA. All children had to be from families that self-identified as Latino or Hispanic, and with household incomes below 200% of the USA federal poverty guideline. In the farmworker sample, the mother or her partner must have been employed in farm work on nonorganic farms during the past three years. In the nonfarmworker sample, adults could not have been employed in any industry that involves routine exposure to pesticides (e.g., farm work, landscaping, or pest control) in the previous three years. Families in the nonfarmworker sample could not have lived adjacent to agricultural fields in the previous three years.

Exclusion criteria for both samples included children having life-threatening illnesses, prior history of neurological conditions, physical condition or development disorder that would not allow them to complete or would interfere with the results of neurobehavioral tests or MRIs (used in the larger main study), primary language other than Spanish or English spoken in the home, or refusal of mother/guardian to complete the questionnaires.

In the larger study, a total of 76 children were recruited for the farmworker sample and 65 children for the nonfarmworker sample. For the recruitment of the original sample, the community partner North Carolina Farmworkers Project developed a list of farmworker families with an 8 year old child and the locations where they lived. In addition, other community organizations that served farmworker families in the recruitment area were contacted. Study personnel contacted the mothers. Similarly, for the original nonfarmworker sample, local recruiters in Winston-Salem, NC, and community members developed a list. For both samples, mothers were contacted by a bilingual staff member who explained the overall study procedures, answered questions, and, if the mother agreed to participate, obtained signed informed consent from the mother and assent from the child. As recruitment progressed, community partners worked with the study team to balance the two samples on socioeconomic status.

Prior to the telephone survey, 5 children in the farmworker sample and 17 in the nonfarmworker sample withdrew, moved away from the study area, or were lost to follow-up. The remaining children represented 67 farmworker families and 45 nonfarmworker families, because some families had more than one child enrolled. For the telephone sample, 2 families refused to participate and 5 could not be reached, all in the nonfarmworker sample. A total of 67 farmworker families and 38 nonfarmworker families could be reached and agreed to participate. This sample of 105 is used in this paper.

2.2. Data Collection

Data for this study were gathered from 1 May 2020 to 5 June 2020, using a telephone survey. Only 2 interviews were conducted in June. Interviewers were members of the larger study team who had usual interview contact with the mothers. Each interviewer participated in an individualized televideo training after which the interviewer practiced completing the form and did an oral practice interview with the study manager. To recruit participants, interviewers called the last known telephone number for the mother in each family, explained the purpose and procedures for the study, and told the mother that she would receive a $10 incentive for completing it at the next in-person study visit. If there was no answer, the interviewers tried at different times of day until the participant was reached or until at least 3 unsuccessful calls had been made.

If the mother agreed to participate, her informed consent was noted, and the interviewer proceeded to conduct a standardized interviewer-administered questionnaire in the language of the participant’s choice using a tablet. Data were entered in real time during the interviews using Research Electronic Data Capture (REDCap). REDCap is hosted at Wake Forest School of Medicine through the Clinical and Translational Science Institute. The REDCap system provides secure, web-based applications for a variety of types of research [28]. Data from these interviews were later merged with selected personal, family, and household variables collected in the main study questionnaires.

Questionnaire items relating to the coronavirus and COVID-19 were adapted from existing studies (e.g., McFadden et al. [29]), where available, or from questions recommended for COVID-19 research by governmental and nongovernmental agencies. Because of the need for rapid data collection, validation was limited to checks on face validity and interviewer reports of difficulties experienced by respondents during practice interviews.

2.3. Variables and Measures

Variables from the main study baseline questionnaire were used to create measures to describe the sample. These included the following measures for the mother: age, country of origin, educational attainment, and current occupation. Group assignment of the family to the farm work or nonfarm work sample was also noted from the baseline questionnaire. Current household size was obtained by querying the number of adults (persons 18 years and older) and children living in the respondent’s dwelling.

Knowledge of COVID-19 was measured with a series of 4 questions that asked the respondent to identify the correct answer from a series of statements for the definition of COVID-19, its transmission route, the definition of “close contact” for coronavirus, and availability of treatment and vaccine. A summary variable was created by summing the number (0–4) of items answered correctly.

Knowledge of behaviors that can prevent exposure to the coronavirus and its transmission was measured with a set of 13 items in which the respondent was asked whether or not each could prevent exposure for self or others. The list contained 8 items for which the correct response was positive (e.g., wear a face mask when out in public) and 5 items for which the correct response was negative (e.g., take herbal supplements). The number of correct responses was summed to create a summary measure of questions answered correctly, with a range of 0 to 13.

Perceptions of risk was measured with 8 items containing statements about health risk to self and community from COVID-19. Responses used a 5-point Likert-type scale with values ranging from strongly agree to strongly disagree, which was collapsed to a 3-point scale for analysis with values 2 (agree), 1 (neutral), and 0 (disagree). The two items concerning personal risk or self-efficacy were added to create a summary measure of self-efficacy with values 0 to 4. This was divided into categories of low self-efficacy (0–2) and high self-efficacy (3–4). The Cronbach’s alpha for this scale was 0.62.

Personal behaviors to protect health and prevent spread of the coronavirus in the past month were obtained by asking the respondent if they had never, sometimes, or always practiced each of 10 behaviors. These included the 8 positive behaviors in the knowledge items described above, as well as 2 additional items (avoiding travel to areas infected with coronavirus; avoiding eating outside the home). These were summed with a possible range for the summary being 0 to 20, with each behavior scored as 0 (never), 1 (sometimes), or 2 (always).

The next section of the questionnaire included questions asking about physical distancing and mask use for protection in order to overcome any social desirability [30] that may have affected the previous self-reports of behavior. Respondents were first asked how many adults had visited in the respondent’s house in the past week. Response options were none, 1 or 2, 3 or 4, and 5 or more. Those who had had visiting adults were asked how many visitors had worn masks during their visit, with the response options of all of them, some of them, and none of them. These questions were also asked about child visitors. Respondents were also asked how many different houses, apartments, or trailers of others they had visited in the last week. Response options were none, 1 or 2, 3 or 4, and 5 or more. Those who had visited other homes were asked how often they wore a mask during their visit, with the response options of all, some, or none of the time. Similar questions were asked about the household children and the respondent’s spouse/partner. Respondents were asked how many people they worked with, defined as the number of persons with whom they worked closely enough to have a normal conversation for at least some of the work time. Response options were none, 1 or 2, 3 or 4, and 5 or more. Mask use was queried for coworkers, with response options of all of them, some of them, and none of them wore masks at work. Similar questions were asked for the spouse/partner at work. Respondents were asked if their children had been cared for in the past week at a day care, pre-school, school, after school program, or at a relative or friend’s house. Any positive responses were followed by asking whether all, some, or no childcare workers wore masks and wore gloves.

To obtain information on large social gatherings in the past week, respondents were asked if any household member had attended church, the approximate number of attendees, and if all, some, or none of the attendees wore masks. The same set of questions was asked about whether any household member had attended a party or other social event such as a cookout, baptism, quinceañera, wedding, or funeral in the past week.

2.4. Analysis

Frequencies and percentages were calculated to examine the variables of interest by farmworker status and significant differences were examined using Chi-Square or Fisher’s Exact tests as appropriate. All analyses were done using SAS v 9.4 (SAS Institute, Cary, NC, USA), and p-Values < 0.05 are considered statistically significant.

3. Results

3.1. Description of the Sample

Respondents ranged in age from 25 to 47 years (Table 1). About 80% of both samples were born in Mexico; Spanish was the preferred language for most. Years of formal education for the respondents ranged from 0 to college graduate, with the median in both samples being ninth grade. Their spouse/partners had slightly lower education; the medians for the farmworker and nonfarmworker samples were sixth and eighth grade, respectively. There were no significant differences between the two samples for these categorical variables.

Table 1.

Individual and household characteristics of participants. Comparison of Latinx farmworker and nonfarmworker adults in North Carolina, May 2020.

Variable Farmworker
N = 67
NonFarmworker 1
N = 38
n % n %
Age
  25–29 years 7 10.45 5 13.16
  30–34 years 26 38.80 7 18.42
  35–39 years 19 28.36 13 34.21
  40–47 years 15 22.39 13 34.21
Country of birth (mother)
  Mexico 54 80.60 30 78.95
  El Salvador 7 10.45 0 0
  Guatemala 2 2.99 1 2.64
  Honduras 1 1.49 3 7.89
  United States 3 4.48 2 5.26
  Other 0 0 2 5.26
Language most comfortable for conversation
  Spanish 65 97.01 35 92.11
  English 1 1.49 3 7.89
  An indigenous language 1 1.49 0 0
Highest level of education completed (mother)
  Less than sixth grade 13 19.40 3 7.89
  Sixth–eighth grade 18 26.87 8 21.05
  Ninth–eleventh grade 25 37.31 16 42.11
  High school or more 11 16.42 11 28.95
Highest level of education completed (spouse) 1
  Less than sixth grade 13 23.64 7 19.44
  Sixth–eighth grade 17 30.91 11 30.56
  Ninth–eleventh grade 20 36.36 7 19.44
  High school or more 5 9.09 11 30.56

1 Totals 55 and 36, respectively, due to missing values.

Total household size ranged from 1 to 10 (median = 5) and 3 to 13 (median = 6) in the farmworker and nonfarmworker samples, respectively. For the farmworker sample, the number of adults in the household ranged from 1 to 6, while the number of children ranged from 0 (a respondent currently separated from her family) to 7. For the nonfarmworker samples, the ranges were 1 to 4 for adults and 1 to 10 for children.

At baseline, farmworker families reported that the most common industry in which women worked was agriculture; for men, it was construction, followed by agriculture. For nonfarmworker families, most women were not in the labor force and the majority of men worked in construction.

3.2. Individual Knowledge, Risk Perception, and Behaviors of COVID-19

Knowledge of the coronavirus was high (Table 2). All individuals in both samples had heard of the virus, and none required an explanation of what it was. The farmworker sample had more correct answers than the nonfarmworker sample on three of the four remaining items. More in the farmworker sample knew that COVID-19 was a respiratory disease caused by a viral infection (100% vs. 89.47%; p < 0.05). For the item concerning treatment or vaccine for COVID-19, 28.95% of the nonfarmworker sample did not know that there is currently no cure or a vaccine for COVID-19, compared to only 5.97% of the farmworker sample (p < 0.01). Overall, knowledge in the farmworker sample was significantly higher than in the nonfarmworker sample (p < 0.0001), with 94.03% of farmworker sample having a perfect score, compared to only 60.53% of the nonfarmworker sample.

Table 2.

Knowledge of COVID-19. Comparison of Latinx farmworker and nonfarmworker adults in North Carolina, May 2020. Correct responses are italicized.

Variable Farmworker
N = 67
NonFarmworker
N = 38
n % n %
Are you aware of the coronavirus pandemic? It is sometimes called the COVID-19 pandemic.
  Yes 67 100 38 100
  No 0 0 0 0
Which of the following three statements is correct about the definition of COVID-19, the disease that results from the coronavirus? 1
  Coronavirus is a respiratory disease caused by a viral infection. 67 100 34 89.47
  The most obvious symptoms usually include respiratory symptoms accompanied by fever, but coronavirus is NOT contagious. 0 0 1 2.63
  Coronavirus can progress to a severe illness, but NEVER leads to death. 0 0 3 7.89
Which of the following is correct about transmission route of coronavirus?
  Coronavirus is transmitted through coughing or sneezing. 67 100 37 97.37
  Coronavirus is NOT transmitted by close contact with people. 0 0 1 2.63
Which of the following is correct about “close contact” of coronavirus? 1
  “Close contact” involves a direct contact with persons’ respiratory secretions. 67 100 35 92.11
  Relatives and healthcare workers are excluded from the category of close contact. 0 0 3 7.89
Which one is correct about the treatment or a vaccine for the COVID-19? 2
  There is a treatment for COVID-19 that cures a patient. 2 2.99 2 5.26
  Currently, there is neither a cure nor a vaccine. 63 94.03 27 71.05
  Currently, there isn’t a cure, but there is a vaccine. 1 1.49 7 18.42
  Don’t know. 1 1.49 2 5.26

1p < 0.05; 2 p < 0.01 p-values for the association between farmworker status and correct/incorrect (collapsed).

Knowledge of behaviors to prevent exposure to the coronavirus or spread of COVID-19 was high in both samples (Table 3). For seven of the 13 items, both samples had 100% correct responses. More in the farmworker sample knew that avoiding touching the face with unwashed hands was protective than in the nonfarmworker sample (98.51% vs. 84.21%; p < 0.01). The only other items for which the samples had different responses were three of the five in the list that were negative options (e.g., taking herbal supplements). For these, the nonfarmworker sample had significantly more correct responses for using herbal supplements (55.26% vs. 4.48%; p < 0.0001). The farmworker sample had more correct responses for eating a balanced diet (68.66% vs. 44.74%; p < 0.05) and getting regular exercise (71.64% vs. 39.47%; p < 0.01). Overall, the farmworker sample had somewhat better knowledge of prevention than did the nonfarmworker sample, but the difference was not significant (p = 0.0562).

Table 3.

Knowledge of behaviors that can prevent exposure to the coronavirus or contracting COVID-19. Comparison of number and percentage of correct responses between Latinx farmworker and nonfarmworker adults in North Carolina, May 2020.

Variable Farmworker
N = 67
NonFarmworker
N = 38
n % n %
Frequent hand washing 67 100 38 100
Avoid touching your eyes, nose, and mouth with unwashed hands 2 66 98.51 32 84.21
Use disinfectants like Clorox or Lysol on frequently touched surfaces like doorknobs and counters 67 100 38 100
Avoid eating meat * 48 71.64 33 86.84
Stay home when you are sick 67 100 38 100
Take herbal supplements *,3 3 4.48 21 55.26
Cover your cough 67 100 38 100
Eat a balanced diet *,1 46 68.66 17 44.74
Avoid close contact with people who do not live with you 67 100 38 100
Avoid crowds of people 67 100 38 100
Get the flu shot * 39 58.21 16 42.11
Get regular exercise *,2 48 71.64 15 39.47
Wear a face mask when out in public 67 100 38 100

* These responses are NOT effective preventive behaviors, so negative responses were considered correct. 1 p < 0.05; 2 p < 0.01; 3 p < 0.001.

The farmworker sample respondents perceived lower risk associated with COVID-19 for themselves and their community on most items than did the nonfarmworker sample respondents (Table 4). Similarly, the farmworker sample perceived that they had lower ability to protect themselves from the coronavirus, with almost all responses (97.01%) falling in the lower self-efficacy category, compared to 73.68% of the nonfarmworker sample falling in the higher self-efficacy category (p < 0.0001).

Table 4.

Perceived risks associated with COVID-19. Comparison of percentage of correct responses between Latinx farmworker and nonfarmworker adults in North Carolina, May 2020.

Variable Farmworker
N = 67
NonFarmworker
N = 38
n % n %
My health will be severely damaged if I contract COVID-19 1
  Agree or Strongly Agree 61 91.04 35 92.11
  Neutral 6 8.96 0 0
  Disagree or Strongly Disagree 0 0 3 7.89
I think COVID-19 is more severe than the flu.
  Agree or Strongly Agree 66 98.51 35 92.11
  Neutral 1 1.49 1 2.63
  Disagree or Strongly Disagree 0 0 2 5.26
Even if I fall ill with another disease, I will not go to the hospital because of risk of getting COVID-19 in the hospital. 2
  Agree or Strongly Agree 5 7.46 22 57.89
  Neutral 48 71.64 4 10.53
  Disagree or Strongly Disagree 14 20.90 12 31.58
The coronavirus and COVID-19 will inflict serious damage in my community.
  Agree or Strongly Agree 67 100 36 94.74
  Neutral 0 0 2 5.26
  Disagree or Strongly Disagree 0 0 0 0
The coronavirus will spread widely in the USA. 1
  Agree or Strongly Agree 67 100 33 86.84
  Neutral 0 0 4 10.53
  Disagree or Strongly Disagree 0 0 1 2.63
I am more likely to get COVID-19 than other people. 2
  Agree or Strongly Agree 0 0 16 42.11
  Neutral 38 56.72 7 18.42
  Disagree or Strongly Disagree 29 43.28 15 39.47
I believe I can protect myself against the coronavirus. 2
  Agree or Strongly Agree 5 7.46 34 89.48
  Neutral 53 79.10 1 2.63
  Disagree or Strongly Disagree 9 13.43 3 7.89
I believe I can protect myself against the coronavirus better than other people can. 2
  Agree or Strongly Agree 0 0 21 55.26
  Neutral 16 23.88 11 28.95
  Disagree or Strongly Disagree 51 76.12 6 15.79

1p < 0.01; 2 p < 0.0001.

For self-reported actual preventive behaviors, the farmworker sample was significantly more likely to report practicing three behaviors (avoiding travel to areas infected with coronavirus [p < 0.01], avoiding eating outside the home [p < 0.01], and avoiding close contact with people who were sick [p < 0.05]), while the nonfarmworker sample was significantly more likely to report practicing four behaviors (washing hands for 20 s [p < 0.001], using surface disinfectants [p < 0.0001], avoiding touching face with unwashed hands [p < 0.0001], and covering cough with tissue [p < 0.0001]) (Table 5). The overall difference between the two samples was significant (p = 0.0008).

Table 5.

Self-reported frequency of taking measures to prevent infection with the coronavirus in the past month. Comparison of percentage of responses between Latinx farmworker and nonfarmworker adults in North Carolina, May 2020.

Variable Farmworkers
N = 67
NonFarmworker
N = 38
n % n %
Avoided travel to areas infected with coronavirus 2
   Always 64 95.52 29 76.32
   Sometimes 3 4.48 4 10.53
   Never 0 0 5 13.16
Washed hands with soap and water for 20 seconds 3
   Always 39 58.21 35 92.11
   Sometimes 28 41.79 3 7.89
   Never 0 0 0 0
Used disinfectants on frequently touched surfaces 4
   Always 13 19.40 32 84.21
   Sometimes 50 74.63 5 13.16
   Never 4 5.97 1 2.63
Avoided touching your eyes, nose, and mouth with unwashed hands 4
   Always 15 22.39 25 65.79
   Sometimes 52 77.61 7 18.42
   Never 0 0 6 15.79
Avoided eating outside of the home 2
   Always 61 91.04 27 71.05
   Sometimes 6 8.96 8 21.05
   Never 0 0 3 7.89
Stayed home when you were sick
   Always 67 100 36 94.74
   Sometimes 0 0 1 2.63
   Never 0 0 1 2.63
Covered your cough or sneeze with a tissue, then threw the tissue in the trash 4
   Always 20 29.85 29 76.32
   Sometimes 45 67.16 6 15.79
   Never 2 2.99 3 7.89
Avoided close contact with people who were sick 1
   Always 66 98.51 35 92.11
   Sometimes 1 1.49 0 0
   Never 0 0 3 7.89
Avoided crowds of people
   Always 61 91.04 33 86.84
   Sometimes 6 8.96 5 13.16
   Never 0 0 0 0
Wore a face mask when out in public
   Always 61 91.04 33 86.84
   Sometimes 6 8.96 5 13.16
   Never 0 0 0 0

1p < 0.05; 2 p < 0.01; 3 p < 0.001; 4 p < 0.0001.

3.3. Household Social Interactions and Protections Taken: Outside of Work, at Work, and Social Group Events

Slightly fewer than half of farmworker families (n = 31; 46.27%) reported that they had had adult visitors at their home in the past week. Of these, 30 reported that none of the visitors had worn a mask. Similarly, 28 of these families (41.79%) reported that children had visited in their home and none had worn masks. For nonfarmworker families, more had had adult visitors (n = 21; 55.26%), but some (n = 6; 28.57%) had worn masks. A lower proportion of the nonfarmworker families had had child visitors (n = 14; 36.84%), and some (n = 5; 35.71%) had worn masks. More farmworker than nonfarmworker family respondents reported visiting the homes of others in the past week (n = 26, 38.81% vs. n = 9, 23.68%). Both categories of respondents reported visiting 1 or 2 other homes, except 2 from farmworker families who reported visiting 3 or 4. None of the respondents from farmworker families reported wearing masks when visiting; 22.22% (n = 2) of the nonfarmworker respondents reported ever wearing masks while visiting.

Twenty-seven respondents (40.30%) from farmworker families reported that their children visited other homes in the past week, and none wore masks. They also reported that 38.98% (n = 23) of their spouse/partners visited other homes, and none ever wore masks. Respondents from nonfarmworker families reported fewer children (n = 9; 23.68%) and spouse/partners (n = 10; 27.78%) visiting other houses, with one spouse/partner visiting five or more houses. About a third (n = 4; 30.00%) of spouses were reported to have worn masks, though several respondents did not know, and 66.67% (n = 6) reported their children had never worn masks while visiting other homes.

Among respondents in farmworker families, 31 (46.27%) reported working in the past week. Most (n = 26; 83.87%) worked in places with five or more employees in close enough contact to have a normal conversation at least some of the time. These respondents reported that all (n = 26; 86.67%) or some (n = 3; 10.00%) wore masks in the workplace. Almost all of their spouse/partners worked (n = 57; 96.61%); 78.95% (n = 45) worked in places with five or more employees in close contact, and some or all wore masks in 60.71% (n = 34) cases. About the same proportion of respondents in nonfarmworker families worked (n = 17; 44.74%), but fewer (n = 10; 58.82%) worked in places with five or more workers in close contact. Most of these respondents reported that all (n = 8; 50%) or some (n = 5; 31.25%) of coworkers wore masks. Almost all (n = 32; 88.89%) spouses worked, though less than half (n = 14; 43.75%) worked in close contact with five or more workers. In about two-thirds of these worksites (63.33%), some (10.00%) or all (53.33%) workers wore masks.

During the time women were surveyed, schools were closed, and no children attended preschools or day care centers. Seven (10.45%) respondents in farmworker families reported that their children were cared for at a friend or relative’s house and that none of the caregivers wore masks or gloves. Four (10.53%) respondents in nonfarmworker families reported similar childcare arrangements. However, half reported the caregiver wore masks and gloves.

Five (7.46%) of the respondents in farmworker families reported that a household resident had attended church in the past week. Total church attendance was estimated by the respondent at 25 (2 cases), 30 (1 case), and 40 (2 cases). All attendees wore masks in four of these church services, and none wore masks in the other. Only one respondent among nonfarmworker families reported that a household member had attended church in the past week. Attendance was about 10 people and all reportedly wore masks.

Nine (13.43%) respondents in farmworker families reported that a household member had attended a party or social event in the past week. Estimates of total attendees ranged from 10 to 35; none wore masks. By comparison, three (7.89%) respondents in nonfarmworker families reported someone had attended a party or social event. In two cases, attendance was estimated at 10; the other was estimated at 20. No one wore masks at two of these events.

4. Discussion

This study was designed to describe the knowledge, perceived risk and susceptibility, and preventive behaviors reported by Latinx immigrant farmworker and nonfarmworker families in North Carolina during the first months of the COVID-19 pandemic. These families are of particular concern because the rates of COVID-19 nationally are elevated in minority populations. Specifically in North Carolina, on 1 June 2020, Hispanics were reported to make up 10% of the state’s population but 39% of the state’s COVID-19 cases [31]. At the same time, several farmworker camps were listed as locations of COVID-19 outbreaks by the state Department of Health and Human Services.

The study found that levels of knowledge were extremely high among the Latinx families surveyed, both farmworker and nonfarmworker. All respondents had heard of the pandemic and knew what COVID-19 is and how it is transmitted. They had somewhat less accurate knowledge about the availability of a cure or vaccine; and women in farmworker families had, overall, slightly more accurate knowledge than did the women in nonfarmworker families. Both samples had strong knowledge of the health behaviors that could protect against exposure to the coronavirus and contracting or transmitting COVID-19. In particular, they knew the primary public health messages promoted early in the pandemic. They were less accurate in differentiating these effective behaviors from ineffective behaviors that might be promoted for health risks other than COVID-19, such as exercising and consuming a balanced diet.

Although both groups perceived that COVID-19 presents a serious risk to health, respondents in farmworker families were significantly less likely to affirm personal susceptibility (e.g., that they would avoid going to the hospital for another illness because of risk of contracting COVID-19 there and that they were more likely than others to get COVID-19). Similarly, these women in farmworker families had lower self-efficacy concerning their ability to protect themselves.

The two samples affirmed different patterns of health promoting behaviors. For the farmworker families, behaviors that entailed avoiding others (e.g., not traveling to areas infected with coronavirus, avoiding eating out, and avoiding close contact with sick individuals) were affirmed significantly more often than by the nonfarmworker families. The latter were more likely to affirm behaviors related to personal hygiene: hand washing, using disinfectants, avoiding touching the face, and covering coughs and sneezes.

Together, these findings give a sense that, while the women in farmworker families had somewhat better knowledge, they perceived less personal susceptibility to COVID-19. They had low confidence that they could protect themselves. This may be underlying the protective behaviors they reported. They avoided people and places that might be contaminated but did not subscribe to practicing personal hygiene behaviors. Women in nonfarmworker families had greater confidence that they could protect themselves and they claimed to practice more personal hygiene behaviors.

Social desirability [30] can bias the way individuals respond to lists of health behaviors. With knowledge of recommendations, they may tend to see themselves or want to portray themselves as more positive and compliant than they actually are. In order to investigate behaviors in detail and try to avoid social desirability bias, the telephone survey included a series of questions about social interactions by household members and wearing masks. Complex question sequences are thought to reduce social desirability bias [32,33]. The focus on distancing and masks was considered important in light of the developing public health messages that identified the greater importance of maintaining physical distancing and protection against spreading infected droplets with masks, rather than practices such as disinfecting surfaces that had been promoted over mask use earlier in the pandemic [22].

The responses to these questions contrasted sharply with the other reported protective behaviors. They showed a high level of social interaction beyond the immediate household for both farmworker and nonfarmworkers families, with both adults and children coming into the homes of respondents and members of the respondent’s household visiting in the homes of others. There was virtually no mask wearing reported by farmworker family respondents, and only some use of masks reported by nonfarmworker respondents. Household sizes reported in this study (median 5 for farmworker and 6 for nonfarmworker families) are considerably larger than the USA average of 2.6 people reported for 2018 [34], potentially creating large social networks of contacts.

Many of the adult household members were reported to be working outside the home and working in situations where they had close contact with other workers. These situations, plus the sheer number of adults in the household (up to six in farmworker families and four in nonfarmworker families), allows for the spread of infection through these interconnected households [3]. Mask use was reported to be common in the workplaces, though measures of the consistency or enforcement of mask use were not obtained.

The respondents and their family members reported continuing to engage in social situations with large numbers in attendance. This occurred in both samples and was particularly common among the farmworker families. Although masks appear to have been worn for church attendance, little mask wearing was reported for other types of social events.

In total, these results indicate that, despite relatively high knowledge, strong perceptions of risk from COVID-19, and claims of avoiding situations where contracting or spreading infection might be likely, many of the farmworker families included here do not practice safe physical distancing measures as recommended; and their use of masks appears to be confined to work settings. The situation for the nonfarmworker families appears to be somewhat better, with greater mask wearing reported, particularly in large social gatherings. However, the social contact is still at levels that facilitate COVID-19 spread.

The inconsistency between women in farmworker families seeing themselves as avoiding situations for infection and their actual practices may be due to their living situations and to cultural values. Most live in rural environments and few women drive [35], so they may perceive of themselves and their households as isolated from population centers. Nonetheless, it is clear that interactions take place within and between households, which can exponentially raise the possibility of transmitting infection. This is in contrast to the nonfarmworker families who live in urban environments, many in multi-unit dwellings such as apartment buildings. They may correctly perceive less ability to socially isolate themselves and, so, give greater importance to personal hygiene measures to prevent infection.

For these immigrant workers (from both farmworker and nonfarmworker families), living in close proximity to extended family members plus the cultural value of familismo [36] likely affect interpretation of public health recommendations to maintain physical distance. Many immigrant workers settle in the US with extended family from their home communities—siblings, cousins, parents, aunts, and uncles. This can provide considerable social and material support while living in a new environment and working in low wage jobs; family and household boundaries are likely more fluid than they are for other ethnic groups [3,9]. These relationships are supported and reinforced by familismo. This cultural construct includes strong identification with and loyalty to family, as well as respect for family members and placing family needs over one’s own needs. Time spent with one’s immediate and extended family is valued. In such a context, wearing masks or refusing social interaction might be considered an affront. The result can be greater contacts and less physical distancing than public health recommendations intend, increasing the risk of coronavirus infection.

While COVID-19 is an emerging issue, findings from previous research with immigrant Latinx populations support the findings in this study. For example, research with immigrant Latinx women has produced results supporting the lower self-efficacy seen among the respondents from farmworker families. Studies of HIV and cancer prevention behavior have found low self-efficacy in Latinx farmworker women, which is sometimes amenable to change with intervention [37], though not always when cultural norms constrain health-promoting behavior [38]. Kilanowski [39], in a study of farmworker child nutrition, found self-efficacy for health behavior change was inversely related to acculturation, suggesting that self-efficacy may fall with greater time in the USA. None of the families in the current study are newly arrived immigrants because of the larger study eligibility criteria. Other research with farmworkers has shown that they have low levels of perceived susceptibility to other health threats, most notably pesticides [40,41]. In these cases cultural values appear to promote these ideas of low susceptibility.

The farmworker families included in this study are seasonal workers, meaning that they live in the area year round, and family members work seasonally in agriculture. They may not experience the extremely crowded barrack-style sleeping quarters, kitchens, and bathroom facilities of much of the grower-provided housing where migrant workers live [17]. However, these seasonal worker families do have crowded housing [15,16], and they face worksite hazards for infection in crowded transportation to the fields and while working in close quarters in some situations in the fields, as well as in greenhouses or packing facilities [4]. They also often work alongside migrant workers who live in crowded conditions. Although the respondents indicate mask usage, it is difficult to know how sustained that can be, considering the high levels of heat and humidity these workers endure in the fields [37].

The contrast between what the respondents in this study know about COVID-19 and their seemingly contradictory behavior can be viewed through the lens of structural vulnerability [26]. The farmworker families, as well as many of the nonfarmworker families, include those who have been deemed essential workers. These include those in farm work, in construction, in building maintenance, and in food retail. As essential workers, they need to work in order to receive income. Their jobs do not provide the luxury of working from home. As immigrants, most are ineligible for government benefits provided as part of the CARES safety net [8]. In the case of undocumented families, worry about the xenophobic climate [9] may affect decisions to work, to seek medical care, and to complain about the lack of personal protective equipment. In short, these workers are not putting themselves and their communities at risk because they are uninformed about COVID-19. They know how dangerous it is, and, while cultural values and practices may lead to some excess exposure, they do know how to prevent COVID-19.

One of the strengths of this study was the concentration of data collection in a short time during which changes in national information about prevention and state regulations were relatively stable. By May, reports of emerging research had started to establish the importance of physical distancing and mask use (although publications did not appear until June [21,22,23]), and the initial emphasis on hand hygiene and cleaning surfaces had been downplayed. Within North Carolina, all families in this study would have been subject to the same governmental orders. Stay-at-home orders banning gatherings of >10 persons and closing schools, bars, gyms, playgrounds, and restaurants (except for take-out and delivery) were put in place in March. On 24 April, school closure was extended for the rest of the academic year. Although restaurant closure was loosened on May 20 to 50% of capacity for indoor dining, most restaurants took longer to implement this and many still remained at take-out and delivery only well into the summer. Gatherings were limited to 10 people on 27 March; although 25-person gatherings outside with social distancing were allowed on 20 May, indoor gatherings were kept at 10 with no special provisions for churches.

This study did not collect data on information sources about COVID-19 available to study participants. Although both groups frequently get information from Spanish language radio, the nonfarmworker families may have had greater access to public health signage and other local messages in an urban context than the farmworker families did in rural settings.

Other study limitations include the fact that behaviors were self-reported and not observed. The women interviewed also reported for others in the household. Responses could not be anonymous because they were collected by interviewers that the women had known through participation in the larger study; this could have increased the social desirability in responses concerning behavior. Small sample sizes prevent more detailed analyses of data.

Nevertheless, this study represents a unique opportunity to document the knowledge, perceptions, and behaviors of Latinx immigrants in the USA during the early days of the COVID-19 pandemic. In particular, farmworkers are often a hidden and difficult to reach population. This study demonstrates that even with a strong knowledge base, these farmworker families lack the self-efficacy to avoid the coronavirus and COVID-19. While they appear to believe that they are following public health recommendations on physical distancing and wearing masks, detailed data on their social interactions and use of personal protective equipment show that this is not the case. A comparison group of urban-dwelling Latinx immigrants had greater self-efficacy, which might have led to the greater use of masks as personal protection reported by respondents in these nonfarmworker families.

5. Conclusions

The transmission of a highly infectious virus like the coronavirus is facilitated by close contact among individuals in a population. The large household sizes, particularly large numbers of adults working in industries deemed essential, and weak adherence to personal protective equipment such as masks make the immigrant Latinx population at risk for high rates of infection. It is likely that simple public health messages encouraging physical distancing and mask wearing may not protect the population in the context of structural barriers such as crowded housing and work in essential industries, coupled with strong cultural values placed on support of large extended families. Specific actions beyond what is currently being taken by public health authorities may help improve the health-related behavior reported here and curb the spread of infection in this population. Developing and disseminating culturally sensitive education to help families understand the extent of their social contact and the dangers it poses is essential. Using adult educational approaches [42,43] that could include interactive exercises to demonstrate the potential spread of infection would likely be more effective than education based primarily on print materials in this low literacy population [44].

The COVID-19 pandemic has ravaged urban populations around the world, with high population density facilitating the spread of the disease. While one might, therefore, expect urban and rural conditions in the US to be markedly different, the findings here suggest that this may not be the case for Latinx workers in essential rural industries. Living in large households and working in close contact with large groups of workers may negate the expected isolation of rural communities.

Acknowledgments

The authors appreciate the support and participation of their community partner, the NC Farmworkers Project, and of Student Action with Farmworkers. They also appreciate the valuable contributions of our community field interviewers in carrying out participant recruitment and data collection. They especially thank the mothers who participated in this study.

Author Contributions

S.A.Q. participated in all aspects of the study conceptualization and design, analysis, and manuscript writing. N.J.L. participated in background research, data coding, and manuscript writing. D.C.M. participated in the participant recruitment, data collection, data management, and manuscript writing. J.W.T. participated in the data analysis and manuscript writing. P.J.L. participated in all aspects of the study conceptualization and design, and manuscript writing. T.A.A. participated in all aspects of the study conceptualization and design, analysis, and manuscript writing. All authors have read and agreed to the published version of the manuscript.

Funding

This research was funded by the National Institute of Environmental Health Science, Grant/Award Number R01 ES08739.

Conflicts of Interest

The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.

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