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目的了解广东省广州市不同性角色男男性接触者(MSM)高危行为特征及艾滋病行为流行情况,为艾滋病防治提供依据。方法采用与非政府组织(NGO)合作、网络动员方法,对参加艾滋病自愿咨询检测的MSM人群进行问卷调查,采集静脉血进行艾滋病病毒(HIV)和梅毒血清学检测。结果共调查1 472名MSM,平均年龄为28岁,最近3个月有≥2个性伴的占40.70%(591/1 452),最近1次与最近3个月与男性发生性行为每次使用安全套分别占69.16%(1 018/1 472)和55.67%(712/1 279);HIV和梅毒感染率分别为5.98%(88/1 472)和4.08%(60/1 472);肛交被插入者发生首次插入性行为年龄较小,性伴数较少;被插入者和双重角色MSM的安全套使用率低于插入者,HIV感染率高于插入者。结论广州市MSM艾滋病流行比较严重,不安全性行为比例较高,特别是肛交被插入者安全套使用率较低,HIV感染率较高,自我保护能力较弱,成为MSM中艾滋病传播的高危人群。
Objective To investigate the high-risk behaviors and HIV / AIDS prevalence of MSM with different sexual roles in Guangzhou, Guangdong Province, and provide a basis for AIDS prevention and treatment. Methods Using the method of network mobilization and cooperation with non-governmental organizations (NGOs), a questionnaire survey was conducted on MSM population participating in HIV voluntary counseling and testing, and venous blood samples were collected for serological detection of HIV and syphilis. Results A total of 1 472 MSM patients were surveyed, with a mean age of 28 years and 40.70% (591/1 452) with ≥2 partners in the last 3 months. Each time the last one and the last 3 months had sex with men Condom accounted for 69.16% (1 018/1 472) and 55.67% (712/1 279) respectively; HIV and syphilis infection rates were 5.98% (88/1 472) and 4.08% (60/1 472) respectively; anal intercourse was inserted The number of first-time sexual intercourse was younger and the number of sexual partners was lower. The rate of condom use by MSM was lower than that of the intercourse and the rate of HIV infection was higher than that of the intercourse. Conclusion MSM prevalence in Guangzhou is relatively serious with a high proportion of unsafe sex behaviors. In particular, the rate of condom use in intercourse of anal intercourse is low, the HIV infection rate is high, and the self-protection ability is weak, making MSM a high-risk group of AIDS transmission.