Abstract
Transgender women face unique barriers to HIV testing and linkage to care. This article describes the results of a national testing initiative conducted by 36 community-based and other organizations using a variety of recruitment and linkage-to-care strategies. A total of 2191 HIV tests were conducted with an estimated 1877 unique transgender women, and 4.6% of the transgender women had confirmed positive results. Two thirds (66.3%) were linked to care within approximately three months of follow-up, and the median time to linkage was 7 days. Transgender women tested at clinical sites were linked to care faster than those tested at non-clinical sites (median: 0 vs. 12 days; P = .003). Despite the use of a variety of linkage-to-care strategies, the proportion of transgender women successfully linked to care was below national goals. Tailored programs and interventions are needed to increase HIV testing and improve timely linkage to care in this population.
Keywords: Transgender, HIV, Testing, Linkage to care
Resumen
Las mujeres transgénero enfrentan barreras únicas para hacerse la prueba del VIH y vincularse con atención médica. Este artículo describe los resultados de una iniciativa nacional que promueve la realización de la prueba del VIH y que fue llevada a cabo por 36 organizaciones utilizando una variedad de estrategias de reclutamiento y de vinculación a la atención médica. Durante esta iniciativa, se realizaron 2,191 pruebas del VIH en aproximadamente 1,877 mujeres transgénero únicas. El 4.6% de las mujeres transgénero tuvieron resultados positivos confirmados. Dos tercios (66.3%) de ellas se vincularon a la atención médica en aproximadamente tres meses de seguimiento, y el tiempo mediano de esta vinculación fue de 7 días. Las mujeres transgénero evaluadas en sitios clínicos se vincularon a la atención médica más rápidamente que las que fueron evaluadas en sitios no clínicos (mediana: 0 vs. 12 días; P = .003). A pesar del uso de una variedad de estrategias de vinculación a la atención médica, la proporción de mujeres transgénero que fueron vinculadas con éxito a la atención medica estaba por debajo de los objetivos nacionales. Se necesitan programas e intervenciones que respondan a las necesidades únicas de las mujeres transgénero para incrementar el que se hagan la prueba del VIH y disminuir el tiempo que se toma en vincularlas a la atención medica que necesitan.
Introduction
Transgender women are disproportionately affected by HIV infection. In the United States, HIV prevalence has been estimated to be more than 34 times as high among transgender women compared with all other persons aged 15 to 49 years [1]. Substantial racial/ethnic disparities in HIV infection also persist in this population [2]. National surveillance data demonstrate that more than half of newly diagnosed HIV infections among transgender women reported to the Centers for Disease Control and Prevention (CDC) during a five-year period were among non-Hispanic black or African American (hereafter referred to as black) transgender women, and nearly one-third were among Hispanic or Latina transgender women [3].
HIV testing provides opportunities to engage with HIV prevention and treatment services that can improve health outcomes and prevent HIV transmission. Despite high HIV prevalence and the benefits of early diagnosis, HIV testing among transgender women remains low. As few as 1 in 10 transgender women have been tested in the past year, and transgender women are no more likely to be tested than cisgender populations [4]. In particular, a high proportion of black transgender women may have previously undiagnosed infection [5]. Efforts to increase HIV testing uptake among transgender women are complicated by numerous transgender-specific barriers to testing. Many transgender women are socioeconomically marginalized, including high rates of poverty, unemployment, and homelessness relative to the general population [6]. These factors can reduce access to health care, as reflected in the finding that transgender women are more likely than cisgender women to lack health insurance [7]. Among those with access to care, barriers such as gender-related stigma, discrimination, and other negative experiences in health care settings [6, 8–11], lack of culturally competent and gender-affirming care [12–15], and concerns about HIV test confidentiality or HIV-related stigma in transgender peer networks [12, 16, 17] can discourage utilization of care and routine HIV testing.
These barriers have the potential to hinder progress at each stage of the HIV care continuum and prevent transgender women with diagnosed HIV infection from entering HIV care and maintaining viral suppression. Previous studies have found lower retention in care [18], adherence to antiretroviral therapy (ART) [19–22], and viral suppression [20, 21, 23] among transgender women compared with cisgender populations, although no differences were observed in rates of linkage to care [20, 23] which is essential to realizing the prevention and treatment benefits of early ART initiation [24]. Qualitative studies have identified potential barriers and facilitators of HIV testing and linkage to care among transgender women [12, 13, 17, 25], but strategies to improve testing and linkage remain under studied despite observed gender disparities at most steps of the HIV care continuum.
We report the results of HIV testing and linkage-to-care services provided to transgender women recruited for a large-scale, national HIV testing initiative conducted in 25 U.S. cities. These findings can help characterize the early stages of the HIV care continuum among transgender women. They may also inform the planning and implementation of programs seeking to recruit transgender women at high risk for HIV infection and improve the delivery of testing, linkage-to-care, and other HIV prevention and treatment services to this population.
Methods
Data used in this study are from the Men Who Have Sex with Men (MSM) Testing Initiative (MTI), conducted in 2012–2015 with the goals of identifying at least 3000 cisgender MSM with previously undiagnosed HIV infection, at least 50% of whom would be black or Hispanic or Latino, and linking at least 85% of all MSM with newly diagnosed HIV to care [26, 27]. The initiative was conducted by 36 organizations with a history of providing services to cisgender MSM populations, including academic research centers, community-based organizations, AIDS service organizations, and clinical providers in 25 U.S. cities. Transgender women were eligible to participate in the MTI project because they are also vulnerable to HIV infection, and some transgender women and cisgender MSM might have overlapping social or sexual networks or receive HIV prevention services from the same organizations.
Partner organizations recruited participants for HIV testing using a variety of strategies intended to reach persons at high risk for HIV infection. Venue-based testing (VBT) involved testing at clinical venues (e.g., storefront clinics and community health centers) and non-clinical venues (e.g., HIV counseling and testing sites, gay-identified bars and clubs, public areas, and community settings). Other strategies, described elsewhere [26, 27] included (1) testing at large-scale episodic events (e.g., circuit parties and gay pride events); (2) social network strategy (i.e., persons testing positive or those testing negative but found to be at high risk identify and recruit persons at risk from their social, sexual, or drug-using networks for testing) [28]; (3) couples’ voluntary counseling and testing (i.e., persons who are in or planning to be in a sexual relationship receive HIV counseling and test results together); and (4) internet-based self-testing (i.e., participants recruited from social network and music streaming websites receive a free HIV test kit at a mailing address provided by the participant). Initial HIV testing was performed using rapid tests with oral or blood specimens. All preliminary positive results were confirmed with Western blot (oral, serum/plasma, or dried blood spots) or nucleic acid tests (serum/plasma). Most participants received small incentives for testing, which included cash or cash-equivalent incentives or items such as condoms or lube. A standardized form was administered by project staff during the initial HIV test to collect participant demographic and behavioral information. Partner organizations implemented linkage-to-care strategies for participants with positive test results for up to 104 days after the initial test. This 104-day period was designed to allow up to 90 days from partner organization receipt of confirmatory test results, which was estimated to require up to 14 days. In some instances, linkage-to-care efforts were initiated presumptively before confirmatory testing was performed. However, this information was not documented completely or systematically throughout the project, so we were unable to compare presumptive linkage of persons with preliminary positive test results versus linkage initiated after confirmatory test results became available. Linkage-to-care strategies included case management and health navigation services, use of integrated electronic health records to facilitate client intake and appointment scheduling at the time of the positive test, and partnerships with clinical providers to facilitate referrals to care. This study was reviewed and approved by institutional review boards at the CDC and implementing organizations. Informed consent procedures varied by site but included either verbal or written consent from participants for HIV testing in accordance with local laws and regulations.
Eligible participants were assigned male sex at birth, reported ever having oral or anal sex with a man, and reported no previous HIV diagnosis. All confirmed positive test results were considered to be new diagnoses. To record the current gender identity of eligible participants, project staff used an encounter form with the options “male,” “transgender male-to-female,” “transgender unspecified,” or “additional” (with a request to specify). Project staff read these options aloud and recorded the option selected by the participant. Participants were classified as transgender women in this analysis if their current gender identity was recorded by staff as “transgender male-to-female” at the time of the initial test. Participants assigned male sex at birth with a current gender identity other than cisgender male or transgender female were also eligible to participate in the project.
Some participants may have been tested more than once within the project. We classified HIV tests as repeated tests of the same individual if they were conducted by the same partner organization with participants reporting matching birthdates [26]. We created a deduplicated, person-level dataset by retaining each participant’s most recent test and removing repeated tests. Using this deduplicated dataset, we estimated person-level prevalence of confirmed positive results and unadjusted prevalence ratios (PR) and corresponding 95% confidence intervals (CI) with log-binomial models to assess differences in confirmed positive test results by demographic and behavioral characteristics. To assess the impact of using only deduplicated test results, we conducted the same analyses with all tests and used generalized estimating equations to account for potential non-independence of responses from repeated tests of the same participant.
Among transgender women with confirmed positive test results, we used the Kaplan–Meier product-limit method to describe the distribution of time to linkage to care, defined for all participants as the number of days from the date of specimen collection for the first positive test to the date of first provider-confirmed or participant-reported HIV medical appointment, regardless of when linkage-to-care efforts were initiated. We calculated the percentage of transgender women with positive test results who were linked to care within 104 days and compared these percentages by demographic characteristics, recruitment and venue type, and linkage-to-care strategies using Pearson’s chi-square or Fisher’s exact tests. We calculated the median and interquartile range (IQR) of days to linkage and compared by selected characteristics using Kruskal–Wallis tests.
Results
Of 71,325 HIV tests conducted during the MTI project, 2191 (3.1%) were among transgender women (i.e., participants designated as “transgender male-to-female”) (Table 1). Tests among transgender women were conducted by 32 of 36 partner organizations in 23 of 25 cities (Supplemental Table 1), with a median of 17 tests with transgender women at each partner organization (IQR 4–90) (data not shown). Of all tests among transgender women, 314 (14.3%) were considered to be repeated tests based on matching participant birthdate and partner organization. Demographic and behavioral characteristics, HIV testing history, and HIV test results remained similar after excluding repeated tests. Most of the unique transgender women were black (40.4%) or Hispanic or Latina (36.6%), < 30 years of age (66.6%), reported sex with male partners only in the past 12 months (85.3%), reported sex without a condom in the past 12 months (72.7%), and had previously tested for HIV prior to the MTI project (90.0%) (Table 1). Nearly all transgender women were recruited and tested via VBT (94.7%), and most of these participants were tested in non-clinical settings (89.8%).
Table 1.
Demographic and behavioral characteristics, HIV testing history, and HIV test results among transgender women tested in 23 U.S. cities, 2012–2015
Total tests | Unique participantsa | |||
---|---|---|---|---|
n | % | n | % | |
Total | 2191 | 100 | 1877 | 100 |
Race/ethnicity | ||||
Non-Hispanic black | 895 | 41.3 | 748 | 40.4 |
Non-Hispanic white | 311 | 14.4 | 277 | 15.0 |
Hispanic or Latina | 782 | 36.1 | 679 | 36.6 |
Non-Hispanic other | 177 | 8.2 | 149 | 8.0 |
Age (years) | ||||
< 18 | 40 | 1.8 | 33 | 1.8 |
18–24 | 883 | 40.4 | 733 | 39.2 |
25–29 | 540 | 24.7 | 479 | 25.6 |
30–39 | 474 | 21.7 | 403 | 21.5 |
40–49 | 185 | 8.5 | 164 | 8.8 |
≥ 50 | 63 | 2.9 | 60 | 3.2 |
Recruitment strategy and test setting | ||||
VBT, clinical testing site | 254 | 11.6 | 181 | 9.6 |
VBT, non-clinical testing site | 1827 | 83.4 | 1598 | 85.1 |
Large-scale episodic events | 75 | 3.4 | 69 | 3.7 |
Social network strategyb | 20 | 0.9 | 15 | 0.8 |
Couples’ voluntary counseling and testing | 14 | 0.6 | 13 | 0.7 |
Internet-based self-testing | 1 | 0.1 | 1 | 0.1 |
Sex with PWHc | ||||
Yes | 126 | 6.1 | 101 | 5.7 |
No | 1938 | 93.9 | 1679 | 94.3 |
Sex with PWIDc | ||||
Yes | 102 | 4.9 | 85 | 4.8 |
No | 1977 | 95.1 | 1706 | 95.3 |
Sex without a condomc | ||||
Yes | 1576 | 72.7 | 1349 | 72.7 |
No | 591 | 27.3 | 507 | 27.3 |
Injected drugsc | ||||
Yes | 57 | 2.7 | 51 | 2.8 |
No | 2080 | 97.3 | 1778 | 97.2 |
Gender of sex partnersc | ||||
No partners | 81 | 3.7 | 77 | 4.2 |
Male partners only | 1854 | 85.5 | 1584 | 85.3 |
Female partners only | 19 | 0.9 | 17 | 0.9 |
Male and female partners | 94 | 4.3 | 76 | 4.1 |
Transgender partnersd | 121 | 5.6 | 102 | 5.5 |
Previously tested for HIV | ||||
Yes | 1967 | 90.8 | 1667 | 90.0 |
No | 200 | 9.2 | 186 | 10.0 |
Confirmed positive test result | ||||
Yes | 87 | 4.0 | 86 | 4.6 |
No | 2104 | 96.0 | 1791 | 95.4 |
VBT venue-based testing, PWH person with HIV, PWID person who injects drugs
Tests were classified as repeated tests of the same participant if they were conducted by the same partner organization with participants reporting the same date of birth. Participants’ most recent tests were retained in analyses of unique participants
Persons testing positive or those testing negative but found to be at high risk identified and recruited persons at risk from their social, sexual, or drug-using networks for testing
During the past 12 months
Includes participants who reported having transgender partners regardless of reporting male or female partners
Test-level positivity was 4.0% (Supplemental Table 2). After excluding tests that were considered to be repeated tests of the same participant, the person-level prevalence of confirmed positive results (based on participants’ most recent test) was 4.6% (Table 2). The proportion with confirmed positive results was higher among black transgender women (PR = 3.13; CI 1.45–6.78) than their white counterparts and among those who reported past-year sex with a person with HIV (PWH) (PR = 3.57; CI 2.08–6.13) and past-year sex without a condom (PR = 2.19; CI 1.20–4.00) compared with those who did not report these behaviors. Confirmed positive results did not vary by reported past-year injection drug use (PR = 2.26; CI 0.96–5.34) or sex with a person who injects drugs (PWID) (PR = 1.08; CI 0.40–2.88). Estimates remained similar in the analysis of all 2191 tests (Supplemental Table 2).
Table 2.
Confirmed HIV-positive test results by demographic and behavioral characteristics and HIV testing history among 1877 transgender women tested in 23 U.S. cities, 2012–2015
HIV prevalence (%) | PR | 95% CI | P | |
---|---|---|---|---|
Total | 4.6 | - | - | - |
Race/ethnicity | ||||
Non-Hispanic black | 7.9 | 3.13 | (1.45–6.78) | 0.004 |
Non-Hispanic white | 2.5 | Ref | - | - |
Hispanic or Latina | 2.1 | 0.82 | (0.33-2.00) | 0.656 |
Non-Hispanic other | 2.0 | 0.81 | (0.21-3.08) | 0.754 |
Age (years) | ||||
< 18 | 3.0 | 1.49 | (0.82-2.72) | 0.191 |
18–24 | 5.2 | 1.20 | (0.62-2.35) | 0.591 |
25–29 | 4.2 | 1.76 | (0.80-3.87) | 0.163 |
30–39 | 3.5 | Ref | - | - |
40–49 | 6.1 | 1.44 | (0.43-4.86) | 0.558 |
≥ 50 | 5.0 | 0.87 | (0.12-6.43) | 0.893 |
Recruitment strategy and test setting | ||||
VBT, clinical testing site | 12.7 | 3.94 | (1.06–14.68) | 0.041 |
VBT, non-clinical testing site | 3.4 | Ref | - | - |
Large-scale episodic events | 10.1 | 2.99 | (1.42–6.34) | 0.004 |
Social network strategya | 13.3 | 3.77 | (2.37–5.99) | < 0.001 |
Couples’ voluntary counseling and testing | 0 | - | - | - |
Internet-based self-testing | 0 | - | - | - |
Sex with PWH in past 12 months | ||||
Yes | 13.9 | 3.57 | (2.08–6.13) | < 0.001 |
No | 3.9 | Ref | - | - |
Sex with PWID in past 12 months | ||||
Yes | 4.7 | 1.08 | (0.40-2.88) | 0.877 |
No | 4.4 | Ref | - | - |
Sex without a condom during past 12 months | ||||
Yes | 5.2 | 2.19 | (1.20–4.00) | 0.011 |
No | 2.4 | Ref | - | - |
Injected drugs during past 12 months | ||||
Yes | 9.8 | 2.26 | (0.96-5.34) | 0.064 |
No | 4.3 | Ref | - | - |
Gender of sex partners during past 12 months | ||||
No partners | 1.3 | 0.88 | (0.33-2.36) | 0.802 |
Male partners only | 4.5 | Ref | - | - |
Female partners only | 5.9 | 1.31 | (0.19-8.88) | 0.783 |
Male and female partners | 5.3 | 1.17 | (0.44-3.12) | 0.752 |
Transgender partnersb | 3.9 | 0.29 | (0.04-2.05) | 0.215 |
Previously tested for HIV | ||||
Yes | 4.7 | Ref | - | - |
No | 1.6 | 0.34 | (0.11-1.08) | 0.067 |
Bold text indicates statistically significant association at p < 0.05. Analyses were conducted after removing tests classified as repeated tests of the same participant. Tests were classified as repeated tests if they were conducted by the same partner organization with participants reporting the same date of birth. Participants’ most recent tests were retained in analyses of unique participants
PR unadjusted prevalence ratio, CI confidence interval, VBT venue-based testing, PWH person with HIV, PWID person who injects drugs
Persons testing positive or those testing negative but found to be at high risk identified and recruited persons at risk from their social, sexual, or drug-using networks for testing
Includes participants who reported having transgender partners regardless of reporting male or female partners
Of the 86 transgender women with confirmed positive test results, 57 (66.3%) were linked to care within 104 days (Table 3). Of these, 21 (36.8%) were linked to care on the same day as the first positive test. The median number of days from the first positive test to first HIV medical appointment was 7 days (IQR 0–18). A higher proportion of transgender women recruited through VBT and tested at clinical sites were linked to care (91.3%) compared with those recruited through other strategies or tested at other sites (50.0–85.7%; P = 0.003). Among transgender women recruited through VBT, those who were tested at clinical sites were linked faster than those tested at non-clinical sites (median 0 vs. 12 days; p = 0.003) (Fig. 1). Most (60.9%) of the transgender women recruited through VBT and tested and linked at clinical sites were linked to care on the same day as the first positive test; however, all of these particular transgender women were tested and linked by the same AIDS service organization. The proportion of transgender women successfully linked to care and the median days to linkage did not differ by primary linkage strategy, race/ethnicity, or age.
Table 3.
Percentage linked to care and median days to linkage by demographic characteristics, recruitment and venue type, and linkage strategy among 86 transgender women with confirmed positive test results in 23 U.S. cities, 2012–2015
Transgender women with confirmed positive test results (n) | Linked to HIV medical carea (%) | Pb | Median days to linkage | IQR | Pc | |
---|---|---|---|---|---|---|
Total | 86 | 66.3 | - | 7 | 0–18 | |
Race/ethnicity | 0.244 | 0.469 | ||||
Non-Hispanic black | 59 | 59.3 | 8 | 0–18 | ||
Non-Hispanic white | 7 | 85.7 | 0 | 0–25 | ||
Hispanic or Latina | 14 | 78.6 | 6 | 0–19 | ||
Non-Hispanic other | 3 | 100 | 12 | 9–54 | ||
Age (years) | 0.496 | 0.293 | ||||
≤ 24 | 39 | 64.1 | 0 | 0–15 | ||
25–29 | 20 | 60.0 | 11 | 8–25.5 | ||
30–39 | 14 | 64.3 | 5 | 0–7 | ||
≥ 40 | 13 | 84.6 | 7 | 1–19 | ||
Recruitment and venue type | 0.003 | 0.023 | ||||
VBT, clinical testing site | 23 | 91.3 | 0 | 0–10 | ||
VBT, non-clinical testing site | 54 | 53.7 | 12 | 6–24 | ||
Large-scale episodic events | 7 | 85.7 | 0 | 0–35 | ||
Social network strategyd | 2 | 50.0 | 1 | - | ||
Primary linkage strategy usede | 0.516 | 0.197 | ||||
Case management, health navigator, escort | 44 | 90.9 | 5 | 0–14 | ||
Integrated testing clinic | 17 | 82.4 | 14 | 6–25 | ||
Provider partnerships | 2 | 100 | 6 | 2–10 |
IQR interquartile range, VBT venue-based testing
Percent linked to HIV medical care (defined as self-reported or provider-confirmed attendance at HIV medical care appointment) within 104 days from date of initial test
Pearson’s chi-square or Fisher’s exact test
Kruskal–Wallis test
Persons testing positive or those testing negative but found to be at high risk identified and recruited persons at risk from their social, sexual, or drug-using networks for testing
Primary linkage strategy was unknown for 23 (26.7%) participants
Fig. 1.
Distribution of days from positive test to first HIV medical care appointment among transgender women recruited for venue-based testing at clinical and non-clinical testing sites in 23 U.S. cities, 2012–2015
An additional 69 tests were conducted with participants assigned male sex at birth with a documented current gender identity other than “male” or “transgender male-to-female.” Fifty-five of these tests were among individuals designated as “transgender unspecified”; of the 14 that provided additional specification for gender identity, most self-identified as either “gender queer” or “queer” (n = 5), “gender fluid” (n = 1), “non binary” (n = 1), or “neutral” (n = 1). Of these 69 tests, 3 (4.3%) were confirmed positive, representing 3 unique participants. All 3 of these participants were successfully linked to care.
Discussion
This large-scale, national testing initiative found a comparatively high percentage of confirmed positive test results among transgender women who reported ever having a male sex partner. Test-level positivity (4.0%) was higher than estimates from CDC-funded tests in 61 state and local jurisdictions conducted among transgender women in 2009–2011 (2.7%) [29] and in CDC-funded tests conducted outside of healthcare settings in 2017 among all transgender persons (1.4%), cisgender MSM (1.7%), and the overall population (0.6%) [30]. The higher positivity could reflect high underlying HIV prevalence among black and Hispanic or Latino populations, the geographic focus on cities with high HIV prevalence, or the payment structure of the MTI project, which incentivized partner organizations to identify as many HIV-infected participants as possible. Nevertheless, these findings reiterate the unique vulnerability of transgender women to HIV infection [1].
Consistent with previously observed racial/ethnic disparities [2, 3] black transgender women had a higher prevalence of confirmed positive results than their white counterparts. Additionally, more than 3 times as many transgender women who reported past-year sex with a PWH had a confirmed positive test result compared with those who did not. Although this study did not assess serosorting behaviors or the direction or timing of HIV transmission, this finding suggests missed opportunities for prevention of HIV transmission with pre-exposure prophylaxis (PrEP). Transgender women likely face substantial barriers to PrEP uptake, as with other HIV prevention and treatment services, and may have lower PrEP adherence than cisgender MSM independent of HIV-related risk behaviors [31]. Efforts to improve PrEP awareness, uptake, and adherence among transgender women at risk for HIV are needed. Such efforts could be incorporated into gender-affirming healthcare services, providing the opportunity to address barriers unique to transgender populations, such as concerns about interactions between PrEP and hormone therapy [15, 32]. Furthermore, additional efforts are needed to ensure that HIV-positive cisgender male partners of transgender women achieve and maintain viral suppression, particularly given reports suggesting prevalent sexual risk behaviors among cisgender partners of transgender people [33, 34].
Fewer than two-thirds of the transgender women with confirmed positive test results were linked to care within approximately 3 months of follow up. This is lower than estimates from national surveillance data (85.2%) [35] and CDC-funded HIV tests in the population at large (82.8%) [30], as well as current and previous national goals of 85% linked within one or three months, respectively [36]. However, when linkage was successful, it generally occurred quickly. A substantial proportion (36.8%) was linked on the same day as the first positive test. Most of the transgender women who were linked on the same day were tested and linked by a large AIDS service organization that provides a wide array of intensive case management services, which likely facilitated linkage.
Although we observed no differences in linkage to care by linkage strategy (e.g., case management), the proportion successfully linked and median days to linkage were most favorable among those tested in clinical settings. This finding is consistent with evidence suggesting that efforts to link adults with newly diagnosed infection to care might be more successful when testing is conducted in clinical settings or co-located with HIV primary medical care services [37]. Effective interventions are needed to mitigate barriers that might prevent transgender women from accessing care and benefiting from integrated testing and treatment services in clinical settings. Gender-affirming care that is free of stigma and discrimination and responsive to the needs of transgender patients (e.g., integration of hormone therapy and ART) may facilitate engagement in HIV testing and treatment in clinical settings [12, 13]. Additionally, psychosocial support and ancillary services may help address barriers related to socioeconomic marginalization or competing life circumstances [12, 17, 25].
Though linkage to care might be facilitated in clinical settings, the prominence of multiple stigmas and negative experiences in clinical settings may result in transgender women seeking testing at nonclinical sites [29] or self-testing [16], which could further complicate linkage-to-care efforts. For transgender women who do receive a diagnosis of HIV outside of clinical settings, more research is needed to determine the best approaches to facilitate linkage to care. Strategies that leverage community strengths and the support of transgender women peers who are living with HIV (e.g., peer health navigation or peer support groups) might help overcome barriers to advancement along the continuum of care [38–41].
Limitations
This analysis has limitations. First, several factors might limit the generalizability of our findings. Since eligibility criteria included male sex assignment at birth, some transgender women who self-identify simply as women could have been incorrectly screened as ineligible to participate in the project. Among eligible participants, documentation of gender identity was also limited by the categories listed on the staff encounter form (e.g., “transgender male-to-female,” “additional”). However, many transgender women might be reluctant or unwilling to select these options on the encounter form. Additionally, the transgender women in our sample had a history of sex with men, reported predominantly male sex partners in the past year, and were in large part recruited from gay-identified venues or HIV prevention services tailored for cisgender MSM. Our results are not generalizable to transgender women who do not have sex with men or do not frequent these venues or services. Notably, lifetime HIV testing was more than twice as high among transgender women participating in the MTI project (90.8%) compared with a nationally representative estimate among transgender women (35.6%) [4], suggesting that MTI participants and the broader population of transgender women in the United States may be epidemiologically distinct groups with respect to HIV risk, testing history, or other characteristics. Programs designed for cisgender MSM may not be able to effectively deliver HIV testing or other services to transgender women, especially those who have not previously tested for HIV. Second, the number of transgender women with confirmed positive test results was small (n = 86), and information about linkage-to-care strategies was seldom collected for participants lost to follow-up or otherwise not linked to care. We were also unable to examine the potential benefits of presumptive linkage-to-care efforts initiated immediately after the first preliminary positive test, as opposed to efforts initiated after confirmatory testing. Therefore, our analysis could not identify the most promising linkage strategy for transgender women, which could inform development of much-needed interventions. Third, most partner organizations were unable to confirm new HIV diagnoses through linkage to surveillance registries. Although eligibility criteria were intended to exclude persons with a previous HIV diagnosis, it is possible that some participants, including those with a previous HIV diagnosis, may have participated despite the eligibility criteria due to the provision of incentives, thus potentially overestimating HIV test positivity or person-level prevalence. Fourth, we may have underestimated the proportion linked to care if some participants were linked to care after follow-up ended. Fifth, we might have over- or underestimated the person-level prevalence of confirmed positive test results to the extent that tests classified as repeated tests of the same individual were actually tests of unique individuals. Finally, our estimation of the number of repeated tests did not account for potential changes in gender identity over time (e.g., from cisgender male at the first test encounter to transgender female at the next). To the extent that any such gender identity changes occurred during the project, we might have misclassified or excluded some tests of transgender women whose gender identity was recorded as cisgender male at their initial or subsequent test encounters.
Conclusions
HIV prevention services are often planned for and directed to a variety of sexual and gender minority populations in tandem, but this approach risks missing the hardest-to-reach groups or those with unique needs. This large-scale testing initiative designed to recruit at-risk black and Hispanic or Latino cisgender MSM for HIV testing and linkage to care was able to successfully recruit for HIV testing a large number of transgender women who have sex with men. Many of these transgender women were young, black or Hispanic or Latina, and reported condomless sex in the past year; some had never previously tested for HIV. However, the proportion linked to care was below national goals [36] and estimates in the U.S. general population [30, 35], suggesting that tailored programs and interventions are needed to improve linkage to care in this population, especially when testing occurs in non-clinical settings. Improving the timely diagnosis of HIV infection among transgender women will enable them to reap the benefits of early treatment and prevent HIV transmission in transgender and adjacent sexual networks. The development of effective testing and linkage-to-care interventions specifically designed for transgender women and responsive to their needs may help reduce disparities in HIV diagnosis and viral suppression in this population.
Supplementary Material
Acknowledgements
The authors thank Dr. Liza Solomon, Dr. Chanza Baytop, and Alex Orr, MPH, previously of Abt Associates, and Dr. Patrick Sullivan of Emory University. Publication of this manuscript would not have been possible without their dedication towards project implementation and monitoring. The authors thank Dr. Muazzam Nasrullah and Dr. R. Luke Shouse of CDC’s Division of HIV/AIDS Prevention and Dr. Eduardo Valverde of CDC’s Division of Global HIV and TB for their contributions to the design and implementation of the MTI project.
Footnotes
Publisher's Disclaimer: Disclaimer The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.
Conflicts of interest The authors declare no conflicts of interest.
Ethical Approval This article does not contain any studies with human participants or animals performed by any of the authors.
Publisher’s Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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