Abstract summary 

Mental health challenges are common among men who have sex with men (MSM) in South Africa and may impact medication adherence.We determined the prevalence and risk factors of medication adherence challenges among 160 pre-exposure prophylaxis (PrEP)- and 40 antiretroviral therapy (ART)-taking MSM registered at two key population clinics in Johannesburg and Pretoria in 2023. We used modified Poisson regression to estimate associations between participant characteristics and medication adherence challenges (missed dosage on ≥1 d in the last month).A total of 106 (53.5%) participants (57.6% on PrEP, 37.5% on ART; p=0.02) had medication adherence challenges and 61 (30.5%) participants (31.2% on PrEP, 27.5% on ART; p=0.23) met criteria for moderate to severe symptoms of depression (score ≥10 on the 9-item Patient Health Questionnaire). In multivariable analysis, predictors included PrEP use (adjusted prevalence ratio [aPR]=1.81 [95% confidence interval {CI} 1.21 to 2.73), clinic in Pretoria (aPR 1.43 [95% CI 1.08 to 1.89]), transactional sex (aPR 1.81 [95% CI 1.34 to 2.44]), moderate to severe depression (aPR 1.50 [95% CI 1.19 to 1.89]) and use of social media (aPR 1.45 [95% CI 1.05 to 2.00]).Depression is common and may be an important risk factor for poor medication adherence among MSM in South Africa. Future research should leverage a longitudinal study design to inform potential interventions.

Authors & Co-authors:  Pienaar Jacqueline J Tsope Lindiwe L Mabena Mapaseka M Komane Pontsho P Sibanyoni Maria M Ramashala Boitumelo B Wahome Elizabeth E Denousse Charlene C Gakunu Ankiza A van der Elst Elise M EM Giovenco Danielle D Operario Don D Sanders Eduard J EJ

Study Outcome 

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