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目的了解MSM人群性行为以及社会网络特征,为MSM人群干预措施制定提供依据。方法通过MSM非政府组织的协助,对活动在上海的酒吧、舞厅、浴室、公园等场所的MSM人群进行问卷调查,并抽取10%进行社会网络调查和HIV检测。结果共收到有效问卷339份,有效率为96.80%。MSM人群在发生性行为时主要以肛交为主,307人(90.56%);近一半164(48.38%)调查对象在肛交时性角色并不固定。最近半年性伴数在10人以上的有51人(15.04%)。社会网络平均度数中心度为7.90,平均接近中心度为3.49,平均中间中心度为0.85。结论 HIV传播风险与性行为、社会网络特征密切相关,应以社会网络分析为基础制定干预策略。
Objective To understand the characteristics of MSM’s sexual behavior and social network, and to provide basis for the intervention of MSM. Methods Through the help of MSM NGOs, questionnaires were conducted on the MSM population in Shanghai bars, dance halls, bathrooms, parks and other places, and 10% social network survey and HIV testing were conducted. Results A total of 339 valid questionnaires were received, with an effective rate of 96.80%. In the MSM population, the predominantly anal intercourse was 307 (90.56%); nearly 164 (48.38%) had no sexual roles during anal intercourse. 51 people (15.04%) had more than 10 partners in the recent six months. Social network average degree of center degree of 7.90, with an average near the center of 3.49, the average center of 0.85. Conclusion The risk of HIV transmission is closely related to sexual behavior and social network characteristics. Intervention strategies should be formulated based on social network analysis.