【摘要】 目的了解北京市男男性行为者(MSM)高危性行为情况和发生无保护性肛交(UAI)的影响因素。方法于2014年2-12月,在北京招募MSM,进行面对面问卷调查及艾滋病病毒(HIV)、梅毒抗体检测,应用SAS 9.2软件进行统计分析。结果共调查528名MSM,90.0%(475名)的人在近3个月与男性性伴发生过肛交性行为,其中UAI发生率为47.6%(226/475);HIV和梅毒感染率分别为3.0%(16/528)及18.0%(95/528)。多因素Logistic回归分析结果显示,大专以下文化程度[比值比(OR)=1.79,95%可信区间(CI):1.19~2.69]、近1年未接受过HIV检测(OR=1.63,95%CI:1.03~2.60)、近3个月发生肛交的男性性伴数在3个以上(OR=1.84,95%CI:1.07~3.14),是MSM发生UAI的影响因素。结论北京市MSM中UAI普遍存在,应制定有效的干预策略和措施提高MSM中安全套的使用率,控制艾滋病及其他性传播疾病在该人群中的流行。更多还原

【Abstract】 Objective To investigate the high risk behaviors and risk factors associated with unprotected anal intercourse(UAI)among men who have sex with men(MSM)in Beijing.Methods The participants were recruited from February to December,2014 in Beijing and face to face questionnaire survey was conducted.The blood samples were tested for HIV and syphilis infection.SAS 9.2software was used to analyze the data.Results 528 MSM participated in this study,and 90.0%(475)reported that they had homosexual anal intercourses in the past3 months,and the UAI rate was 47.6%(226/475).The prevalence of HIV and syphilis was 3.0%(16/528)and 18.0%(95/528),respectively.The result of multivariate logistic regression analysis indicated that lower levels of education(OR=1.79,95% CI:1.19~2.69),not receiving HIV test the last year(OR=1.63,95%CI:1.03~2.60)and having 3or more male sexual partners in the past 3months(OR=1.84,95%CI:1.07~3.14)were the risk factors associated with UAI.Conclusion There is a high prevalence of UAI among MSM in Beijing.It is urgent to promote condom use among MSM so as to control the prevalence of HIV/AIDS and other STD among the population.更多还原