Survey of Factors Associated with Unprotected Sexual Behaviors among Men Who Have Sex With Men in Beijing

Objective To investigate the risk factors associated with unprotected anal sex among men who have sex with men(MSM) in Beijing.Methods From November 2006 to February 2007,MSM were investigated in Chaoyang district.Results Among 541 MSM investigated,49.5%(268/541) and 36.6%(198/541) had had anal sex with steady and casual partners in the past month respectively.Multivariate Logistic regression model demonstrated that MSM who had been married or were cohabitating with girlfriends in the past 3 months(OR=3.00;95% CI 1.40~6.40) were more likely to have unprotected anal sex with steady partners in the past month.MSM who felt loneliness in the past month(OR=0.47;95% CI 0.28~0.78)was less likely to have unprotected anal sex with steady partners in the past month;MSM who sought for male partners in bathrooms/toilets/parks in the past 3 months(OR=2.01;95% CI 1.07~3.79),hadn't participated in HIV items in the past 3 months(OR=2.84;95% CI 1.01~7.98) were more likely to have unprotected anal intercourse with casual partners in the past month.Conclusion The phenomenon of unprotected anal sex among MSM is prevalent,behavioral intervention should be strengthened to decrease the risk behaviors.