Comparative analysis on the characteristics of bisexually-and gay-identified men in Nanchang City

Objective To analyze the characteristics of bisexually-and gay-identified men in Nanchang.Methods 266 MSM were recruited from three venues,i.e.gay bar,public bathroom and internet.The information was collected by anonymous questionnaire survey.Results Of 266 respondents,57.14% of the sample was identified as gay,and the others were identified as bisexual.There were significant differences in occupation,marital status and venue in which they always found sexual partners between bisexually-and gay-identified men.Compared with gay-identified men,bisexuallyidentied men were more likely to engage in insertive acts during homosexual contact,they were also more likely to have vaginal sex with female,but less likely to report anal intercourse with men,there was no difference in the rate of condomuse in homosexual / heterosexual behavior.Gay-identified men were more likely to have intimate companions whose sexual role was insertive,and had higher proportion of sexual intercourse with their companions than bisexual-identified men,but less likely to consistently use condom when having sex with companions.Conclusions Sexual orientation may shape sexual behaviors,and place bisexually-and gay-identified men at increasing risk of both HIV infection and transmission.