In Nigeria, the prevalence of HIV among MSM is 11–48%, whereas the overall adult prevalence is 3% ( 2– 4). Men who have sex with men (MSM) are among the populations at highest risk for HIV infection ( 1). Online sex-seekers in Nigeria are at increased risk for HIV/STIs but may not be benefiting from Internet-based risk reduction opportunities. Across visits, online sex-seekers were marginally more likely to test positive for chlamydia/gonorrhea (aOR=1.28, 95% CI=0.99, 1.64). In addition, online sex-seeking was associated with testing positive for HIV at a follow-up visit (Adjusted Odds Ratio =2.02, 95% Confidence Interval =1.37, 2.98) among those who were unaware of or not living with HIV at baseline. Online sex-seeking (n=843, 61.5%) was associated with participation in MSM community activities, larger social and sexual networks, and higher levels of sexual behavior stigma. Logistic regression and generalized estimating equation models were used to assess associations with online sex-seeking. In this analysis we evaluate characteristics of online sex-seekers from the TRUST/RV368 cohort of 1,370 MSM in Abuja and Lagos. The TRUST/RV368 project was undertaken to apply innovative strategies to engage Nigerian MSM into HIV care.
