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. Author manuscript; available in PMC: 2024 Dec 1.
Published in final edited form as: AIDS Care. 2023 Mar 13;35(12):1982–1997. doi: 10.1080/09540121.2023.2188159

Table 1.

Key characteristics of included quantitative studies (n=13)

First Author, publish year Years of Study Place, country Study design Participants (N) Sampling methods
1. McFall A.M. et al. 2016 2012–2013 27 study sites (12 MSM and 15 PWID) in 26 cities across India Baseline assessment of a cluster-randomized trial 503 MSM among 1726 HIV-infected persons aware of their status. Inclusion criteria: Age>=18 years; Informed consent; Possession of a valid referral coupon; self-identify as male and report oral/anal sex with a man in the prior 12 months. Respondent-driven sampling method
2. Hightow-Weidman LB, et al. 2017 2013–2015 North Carolina, USA Baseline data from a randomized controlled trial 193 young (18–30 years), HIV-positive, black MSM.Inclusion criteria:

  1. Age 18 to 30;

  2. Born biologically male;

  3. Self-identify as Black;

  4. Currently reside in North Carolina;

  5. Currently have access to a mobile device that connects to the internet and has texting capabilities;

  6. Have condomless anal sex with a male partner; or

  7. Have any anal sex with more than three male sex partners; or

  8. Have exchange of money, gifts, shelter, or drugs for anal sex with a male partner; or

  9. Having anal sex while under the influence of drugs or alcohol.

 Convenient sampling: flyers at local campuses and off-campus venues; advertisements and targeted messages on websites (e.g., craigslist, Grindr), word of mouth and flyers at local organizations and HIV/STI clinics.
3. Anderson K, et a. 2018 2012 Latin America (Central America, South America and the Caribbean) Cross-sectional study 2350 MSM age ≥18 years old, living in a Spanish- and Portuguese speaking country in Latin America, and HIV positive Anonymous online, multinational sample of HIV infected MSM in Latin America, recruited from the social/sexual networking site targeting MSM in Spanish- and Portuguese-speaking countries/territories in Latin America and the Caribbean, as well as Spain and Portugal
4. Wohl A.R. et al. 2011 2007–2008 Los Angeles County, California, USA Cross-sectional study 100 Latino and 98 African American MSM from a total of 398 participants (MSM: 198; female: 200). Eligibility criteria included confirmed HIV-positive status, self-identification as African American or Latino, language proficiency in English or Spanish and age 18 years or older and has a history of sex with other men. Participants were recruited from five HIV clinics (four public county HIV clinics and one community-based clinic), all the clinics receive federal Ryan White Care Act funding for HIV care for low-income persons.
5. Elopre L. et al. 2015 2007–2012 Alabama, USA Retrospective cohort study 307 MSM among an overall 508 HIV infected patients (did not mention specific inclusion criteria for MSM) Patients entering HIV care at the university-based HIV clinic for the first time from 2007 to 2012, and each patient has been in care for over 12-month period
6. Kuhn E, et al. 2016 2009–2010 University hospitals, German A cross-sectional study 269 HIV positive sexually active MSM obtained regular outpatient care and were recruited from specialized outpatient clinics from two university hospitals. Inclusion criteria, apart from reported sex with men, were an HIV diagnosis more than 12 months ago, sufficient knowledge of the German language to understand the structured interviews and self-report questionnaires and the absence of an acute psychotic disorder. Convenient sampling by posting posters and handouts in the waiting areas of the hospitals
7. Daskalopoulou M., et al. 2017 2011–2012 Brighton, Eastbourne, London, North Manchester, UK A large multicentre cross-sectional study 2240 MSM among a total of 3258 people living with HIV. (did not specify the inclusion criteria of MSM) Participants were men and women with diagnosed HIV infection attending one of eight UK HIV outpatient clinics
8. Klitzman R, et al. 2007 2000–2002 San Francisco, Los Angeles, New York City and Milwaukee in the US Baseline assessment of a RCT (Cross-sectional) 1828 men who reported homosexual or bisexual orientation Recruitment and screening of potential respondents were undertaken in community agencies and medical clinics serving HIV-positive clients. Brochures, posters, and project descriptions, as well as direct contact by study staff in clinical and social service agencies were used to recruit respondents. In addition, media advertisements and word of mouth were used to recruit respondents. (Johnson M.O., et al., 2003) (No OR, can not do meta, asked for the raw data)
9. Tiamiyu AB, et al. 2020 2013–2018 Abuja and Lagos, Nigeria A prospective cohort study 2737 MSM and transgender women living with HIV Participants were MSM and transgender women with diagnosed HIV infection engaging in community-based HIV prevention and treatment programs, which was recruited with respondent-driven sampling (BDS) method
10.Simon Rosser BR, et al. 2008 2005–2006 Six US cities (Seattle, Washington DC, Boston, New York, Los Angeles, Houston) Baseline survey of a clinical trial 675 HIV-positive MSM Participants were recruited and telephone screened for eligibility by partner AIDS service organizations (ASOs)
11.Stoelb BL. 2006 Not reported Miami Subjects from a parent program project which is an intervention study 81 men (self-identified as homosexual or bisexual) living with HIV Participants were recruited from the greater Miami area via advertisements and flyers placed around the community, as well as from local clinics and HIV/AIDS service organizations
12 Wei C, et al. 2012 2010 12 countries in Asia Cross-sectional study 416 HIV-positive MSM Online survey (Asian Internet MSM Se Survey) in gay-oriented website in Asia in collaboration with over 40 community partners from 12 different countries
13 Zhao Y, et al., 2022 2020 Two community-based organizations in two cities in China (Beijing and Wuhan) Cross-sectional study 257 HIV positive MSM Participants were enrolled and screened by staff in two community-based organizations. Eligible MSM were asked to respond to consent document and sent an online survey link.

Note: CBO=community-based organizations