绵阳市不同寻找性伴场所男男性行为者HIV感染状况及社会行为特征

目的了解绵阳市男男性行为者(MSM)寻找性伴场所现状,分析不同寻找性伴场所MSM的艾滋病病毒(HIV)感染状况及社会行为特征。方法 2017年1-10月,在四川省绵阳市采用滚雪球抽样法,进行MSM人口学特征、寻找性伴场所、社会行为及HIV抗体、梅毒螺旋体抗体的横断面抽样调查,用χ^2检验比较不同寻找性伴场所MSM的相关特征。结果回收有效问卷1 206份,研究对象平均年龄(27.5±9.027)岁。寻找性伴场所中酒吧型12.9%,公园型5.1%,网络型79.0%,家庭型3.0%,其HIV阳性率分别为3.9%、9.7%、3.8%、5.6%,HIV阳性率差异无统计学意义(P>0.05)。不同寻找性伴场所MSM的社会行为存在差异(均P<0.001),艾滋病知识知晓、近1年接受同伴教育、近6个月有保护肛交比例以酒吧型、网络型高,公园型、家庭型低;酒吧型61.7%近1周高频率肛交,74.2%近6个月多性伴,公园型21.0%近6个月异性性行为,家庭型13.9%使用Rush。结论 MSM寻找性伴场所多样并存,互联网的主体作用明显。不同寻找性伴场所MSM具有不同HIV感染风险,应针对性开展行为干预。

HIV infection and social behavior characteristics of men who have sex with men in different places to find sexual partners of Mianyang

Objective To understand the current situation of men who have sex with men (MSM) looking for sexual partners, and analyze the HIV infection and social behavior characteristics of MSM in different search partners. Methods From January to October 2017, snowball sampling method was used in Mianyang City, Sichuan Province to conduct MSM demographic characteristics, search for sexual partner sites, social behavior and HIV antibody, Treponema pallidum antibody cross-sectional sampling surveys, the χ² test was used to compare the relevant characteristics of MSM in different search partners. Results Totally 1 206 valid questionnaires were collected, with an average age of (27.5±9.027) years old. Looking for a partner: The bar type was 12.9%, the park type 5.1%, the network type 79.0%, and the family type 3.0%. The HIV positive rate was 3.9%, 9.7%, 3.8%, and 5.6%, respectively, and the difference was not statistically significant (P>0.05). There were differences in the social behaviors of MSM in different search partners (all P<0.001), the rate of knowledge of AIDS, peer education in the past year, protection of anal sex in the past 6 months were high in bar type, network type, low in park type, family type; 61.7% of bar type had high frequency anal sex in nearly 1 week , 74.2% had multiple sexual partners in nearly 6 months, 21.0% of park type had heterosexual behavior in nearly 6 months, 13.9% of family type used Rush. Conclusion The places where MSM looking for sexual partners are diverse and the main role of the internet is obvious. MSM with different HIV infection risks in different search partners, and behavioral intervention should be targeted.