Sexual features of heterosexual intercourse and HIV situation among men having sex with men in Kunming

Objective To understand sexual features of heterosexual intercourse among men having sex with men(MSM) and HIV infection status in Kunming, then to provide valid evidence for HIV intervention.Methods Non-probability sampling was carried on to recruit MSM as subject, an anonymous questionnaire survey and HIV /syphilis screening tests were conducted. Results Among 557 MSM surveyed, 16.3% had sex with female in the past six months, the average number of partners was 1.4,and multi-partnering(≥2 sexual partners)was reported as 20.9%, 32.0% had sex with female in the first time,using condoms in the last heterosexual accounted for 49.5%, while only 29.7% of MSM consistently used condom. The infection rates of HIV/syphilis were 9.9% and 6.6% respectively, others who had no heterosexual intercourse were:11.4% and 2.6% respectively, the infection rates of HIV/syphilis were not significantly different among them(all P>0.05). Multivariate Logistic regression analysis indicated that high school education and below, married,individual monthly income over 4 000 were more likely to have heterosexual behavior(all P<0.05). Conclusions MSM existed heterosexuality and condom utilization rate was lower, targeted measures should be taken, to strengthen the consciousness of condom use among MSM with heterosexual behavior, and the risk of HIV infected among female partners, reduce the risk of HIV/AIDS prevalence in ordinary women.