Objective To explore the situation of AIDS-related high risk behaviors among men who have sex with men (MSM) ever experienced partner-seeking in different sites. Methods Target sampling for cross-sectional study ( "snowball" ) and valid anonymous questionnaires were adopted to compare the differences of high risk behaviors related to AIDS. 1834 MSM were studied in nine cities who sought sex partners through internet, bars or bath ponds. Results Compared to the other corresponding groups, those MSM from the bath pond group had a significant larger number of total sexual partners, chances of having anal and oral sex with same sex, and ones of anal sex in the previous six months with the median number as 40, 16, 20 and 4 respectively. Interact group had a higher rate of bleeding (36.4%) when having sexual intercourse in the previous year and a lower proportion of 8.7% exchanged sex for money, and 14.9% and 13.3% in both bar and bath pond groups respectively. Bar group had significant lower rates of condom use with 79.6% while having sex with men and 45.3% with women, but higher rates(28.9% ) ever participated in group sex in the last year and 4.2% with H1V infection. Conclusion MSM had high risk behaviors related to AIDS appeared in different sites when seeking partners. Intervention strategy should be taken, according to the characteristics of different subpopulations, especially on the bath pond group.%目的 探讨在不同主要场所进行性交往的男男性行为者(MSM)艾滋病高危行为状况.方法 采用定向抽样("滚雪球")法进行横断面调查,对9城市1834例MSM的有效匿名问卷进行分析,比较以互联网、酒吧、浴池为主要性交往场所MSM的艾滋病高危行为差异.结果 浴池组累计同性性伴数、累计同性肛交性伴数、累计同性口交性伴数、近6个月同性肛交性伴数(M 分别40、16、20、4例)均显著高于互联网组和酒吧组(P<0.01).浴池组28.9%的人近1年曾参加群交,显著高于酒吧组和互联网组(P<0.01);互联网组36.4%的人近1年性交出过血,显著高于酒吧组和浴池组(P<0.01).酒吧组和浴池组分别有14.9%和13.3%的人为性工作者,显著高于互联网组(P<0.01).浴池组分别有79.6%的人与MSM性交和45.3%的人与女性性交时使用过安全套,均低于其他两组(分别P<0.01,P<0.05).浴池组HIV感染率为4.2%,显著高于其他两组(P<0.01).结论 在不同主要性交往场所的MSM具有不同的艾滋病高危行为,需针对不同亚人群制定相应的艾滋病干预策略,尤应加强对浴池等场所的艾滋病干预.
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