Differences in HIV treatment experiences, perceptions, and behaviors by gender and sexual orientation in 25 middle-income and high-income countries: Findings from the 2019 Positive Perspectives Survey

Introduction Understanding differences in knowledge and behaviors among men who have sex with men (MSM), men who have sex with women (MSW), and women, is critical to tailor HIV treatment. We investigated these differences among an international sample of people living with HIV (PLHIV) in 25 countries. Methods Data came from the 2019 Positive Perspectives Study, an online convenience sample of PLHIV in 25 middleand high-income countries. Participants were categorized as MSM (n=1018), MSW (n=479), or women (n=696), based on self-classified gender and sexual orientation. Descriptive and multivariable analyses were performed (p