深圳市2011年MSM高危行为特征及梅毒/HIV感染调查

目的了解深圳市男男性行为者高危行为特征及梅毒/HIV感染情况,为今后有针对性地实施有效干预措施提供科学依据。方法知情同意原则下,2011年对深圳市MSM进行问卷调查及抽血检测。结果共762例接受自愿咨询检测,梅毒感染率为17.8%,HIV感染率为7.1%,梅毒合并HIV感染率为3.8%;45.8%性角色以主动为主,23.8%以被动为主,29.5%二者兼有,0.9%很少肛交或多口交;半年内70.8%肛交性伴数≥2个,64.4%口交性伴数≥2个;37.1%半年内肛交时每次使用安全套,4.0%半年内口交时每次使用安全套,27.1%半年内与女性性交时每次使用安全套。结论深圳市MSM人群不安全性行为普遍存在,是梅毒/HIV传播的桥梁人群。

Characteristics of high risk behavior and syphilis/HIV infection among MSM in Shenzhen in 2011

Objective To understand the characteristics of high risk behavior and syphilis/HIV prevalence among men who have sex with men（MSM）in Shenzhen and to provide scientific evidence for effective intervention.Methods With informed consent,questionnaires were conducted and blood samples were taken among MSM in Shenzhen in 2011.Results A total of 762 MSM were enrolled and received voluntary counseling and testing.The infection rates of syphilis,HIV,and syphilis/HIV co-infection among them were 17.8%,7.1% and 3.8%,respectively.As to the role in homosexual behavior,45.8% were predominantly inserted partners,23.8% were receptive partners,29.5% were both inserted and receptive partners and only 0.9% had seldom anal sex or had always oral sex.In the past 6 months,70.8% had more than one sex partners for anal sex,64.4% had more than one sex partners for oral sex.In the past 6 months,37.1% had used condoms for every act of anal sex,4.0% had used condoms for every act of oral sex and 27.1% had used condoms for every act of vaginal sex with female sex partners.Conclusions Unprotected sexual behaviors were universal among MSM in Shenzhen and they served as bridge people in transmitting syphilis/HIV from high risk population to general population.