上海市浦东新区男男性行为人群艾滋病相关高危行为及社会学特征分析

目的]了解浦东新区男男性行为者（MSM）艾滋病（AIDS）相关高危性行为及其影响因素，为开展MSM人群的艾滋病防治工作提供建议。方法]采用横断面研究设计，通过“滚雪球”和网络招募MSM158人，知情同意后进行面对面问卷调查，采集人口学特征、性取向、性伴侣、性行为、性历史等相关信息。结果]调查对象中同性恋130人（82．3％），双性恋28人（17．7％）；在过去的6个月中，97人（61．4％）有过固定的男性伴，80人（50．6％）有过多次性伴，82人（51．9％）有过偶遇性伴；在与不同类型性伴的性行为中，46人（48．4％）曾与固定男性伴、31人（38．8％）曾与多次性伴、33人（40．2％）曾与偶遇性伴发生过AIDS相关高危性行为；性取向、文化程度和婚姻状况是双性性行为发生的主要影响因素，婚姻状况和经济收入是高危性行为发生的主要影响因素，单身和收入较低的MSM更容易发生高危性行为。结论]MSM人群性伴侣较多，AIDS相关高危性行为发生率较高，应尽快开展有针对性的干预工作。

AIDS High Risk Sexual Behavior and its Sociological Factors among MSM in Pudong New Area of Shanghai

Objective ] To explore AIDS high risk behavior and its associated sociological factors among men who sex with men （MSM）, and to provide suggestion for the intervention against AIDS. Methods ] A cross-sectional study was conducted with snowball and internet sampling in Pudong New Area. A total of 158 MSM were interviewed face to face, whose demographic characteristics, sexual orientations, sexual behaviors and sexual histories were collected after informed consent was obtained. Results ] There were 130 （28.3%） gays and 28 （17.7%） bisexuals in 158 MSM. In the past 6 months, 97 （61.4%） of them had fixed male sexual partners, 80 （50.6%） had multiple sexual partners and 82 （51.9%） had occasional sexual partners. In addition, 46 （48.4%） who had fixed male partners, 31 （38.8%） who had multiple sexual partners, and 33 （40.2%） who had occasional sexual partners had AIDS high risk sexual behaviors in the past 6 months. Single and low-income MSM were more inclined to have high risk sexual behaviors than others. Conclusion ] The rate of AIDS high risk sexual behaviors is high and keeping multiple sexual partners is common in MSM. It is urgent to conduct intervention programs among them.