Characteristics of heterosexual behviors among men who have sex with men in Chaoyang District,Beijing

Objective To understand the characteristics of heterosexual behaviors and HIV/Syphilis infection among men who had sex with men(MSM) in Chaoyang District,Beijing.Methods Snowball sampling method was adopted to recruit the study participants and face to face interview was conducted to collect information on heterosexual behaviors.HIV and syphilis infection was detected by serological test.Results Of those 1008 MSM participated in the survey,56.2%(566/1008)had had heterosexual behaviors.61.8%(50/566)had their first sexual intercourse with a woman.56.7%(321/566) had female regular sexual partners and 55.3%(313/566)had female casual sexual partners.29.3%(94/321) MSM always used condom when they had intercourse with female regular sexual partner and 24.3%(76/313) did so when they had sexual intercourse with female casual sexual partner.5.5%(31/566)had had intercourse with a woman for money as a professional sex worker.The infection rate of HIV and syphilis was 6.0%(35/566)and 15.0%(85/566),respectively.Conclusions Heterosexual behaviors are common among MSM and improvement of condom use is urgently needed to reduce sexual transmitted diseases to female population.