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FACTORS ASSOCIATED WITH WILLINGNESS TO USE PRE-EXPOSURE PROPHYLAXIS IN BRAZIL, MEXICO, AND PERU: WEB-BASED SURVEY AMONG MEN WHO HAVE SEX WITH MEN
Men who have sex with men
Prevention
Latin America
Surveys and questionnaires
Author
Affilliation
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru.
Condesa & Condesa-Iztapalapa Specialized Clinics. Mexico City, Mexico / National Institute of Psychiatry Ramon de la Fuente Muñiz. Mexico City, Mexico.
Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru.
Condesa & Condesa-Iztapalapa Specialized Clinics. Mexico City, Mexico / National Institute of Psychiatry Ramon de la Fuente Muñiz. Mexico City, Mexico.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
Center for Prevention and Comprehensive Healthcare for HIV/AIDS of Mexico City. Mexico City, Mexico.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
National Institute of Public Health. Mexico City, Mexico.
National Institute of Psychiatry Ramon de la Fuente Muñiz. Mexico City, Mexico.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Rio de Janeiro, RJ, Brasil / Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru / Condesa & Condesa-Iztapalapa Specialized Clinics. Mexico City, Mexico.
Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru.
Condesa & Condesa-Iztapalapa Specialized Clinics. Mexico City, Mexico / National Institute of Psychiatry Ramon de la Fuente Muñiz. Mexico City, Mexico.
Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru.
Condesa & Condesa-Iztapalapa Specialized Clinics. Mexico City, Mexico / National Institute of Psychiatry Ramon de la Fuente Muñiz. Mexico City, Mexico.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
Center for Prevention and Comprehensive Healthcare for HIV/AIDS of Mexico City. Mexico City, Mexico.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
National Institute of Public Health. Mexico City, Mexico.
National Institute of Psychiatry Ramon de la Fuente Muñiz. Mexico City, Mexico.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Rio de Janeiro, RJ, Brasil / Centro de Investigación Interdisciplinaria en Sexualidad Sida y Sociedad. UPCH. Lima, Peru / Condesa & Condesa-Iztapalapa Specialized Clinics. Mexico City, Mexico.
Abstract
Background: HIV disproportionally affects key populations including men who have sex with men (MSM). HIV prevalence among MSM varies from 17% in Brazil and Mexico to 13% in Peru, whereas it is below 0.5% for the general population in each country. Pre-exposure prophylaxis (PrEP) with emtricitabine/tenofovir is being implemented in the context of combination HIV prevention. Reports on willingness to use PrEP among MSM have started to emerge over the last few years. Previously reported factors associated with willingness to use PrEP include awareness, higher sexual risk behavior, and previous sexually transmitted infection. Objective: This study aimed to evaluate the factors associated with willingness to use daily oral PrEP among MSM in 3 Latin American, middle-income countries (Brazil, Mexico, and Peru). Methods: This Web-based, cross-sectional survey was advertised in 2 gay social network apps (Grindr and Hornet) used by MSM to find sexual partners and on Facebook during 2 months in 2018. Inclusion criteria were being 18 years or older, cisgender men, and HIV-negative by self-report. Eligible individuals answered questions on demographics, behavior, and PrEP (awareness, willingness to use, barriers, and facilitators). Multivariable logistic regression modeling was performed to assess the factors associated with willingness to use daily oral PrEP in each country.
Results: From a total sample of 43,687 individuals, 44.54% of MSM (19,457/43,687) were eligible and completed the Web-based survey-Brazil: 58.42% (11,367/19,457), Mexico: 30.50% (5934/19,457), and Peru: 11.08% (2156/19,457); median age was 28 years (interquartile range: 24-34), and almost half lived in large urban cities. Most participants were recruited on Grindr (69%, 13,349/19,457). Almost 20% (3862/19,352) had never tested for HIV, and condomless receptive anal sex was reported by 40% (7755/19,326) in the previous 6 months. Whereas 67.51% (13,110/19,376) would be eligible for PrEP, only 9.80% (1858/18,959) of participants had high HIV risk perception. PrEP awareness was reported by 64.92% (12,592/19,396); this was lower in Peru (46.60%, 1002/2156). Overall, willingness to use PrEP was reported by 64.23% (12,498/19,457); it was highest in Mexico (70%, 4158/5934) and lowest in Peru (58%, 1241/2156). In multivariate regression models adjusted for age, schooling, and income in each country, willingness to use PrEP was positively associated with PrEP awareness and PrEP facilitators (eg, free PrEP and HIV testing) and negatively associated with behavioral (eg, concerned by daily pill regimen) and belief barriers (eg, sexual partners may expect condomless sex). Conclusions: In this first cross-country, Web-based survey in Latin America, willingness to use PrEP was found to be high and directly related to PrEP awareness. Interventions to increase awareness and PrEP knowledge about safety and efficacy are crucial to increase PrEP demand. This study provides important information to support the implementation of PrEP in Brazil, Mexico, and Peru.
Keywords
Pre-exposure prophylaxisMen who have sex with men
Prevention
Latin America
Surveys and questionnaires
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