北京市男男性行为人群多分类敏感问题的调查

目的了解北京市男男性行为人群多分类敏感问题的特征。方法采用二阶段抽样和多分类特征敏感问题的随机应答技术对北京市男男性行为人群多分类敏感问题进行现场调查。结果北京市男男性行为人群非北京户籍人口占71．57％,30岁以下占58．39％,未婚单身者占82．26％,该人群呈现出高学历高收入的特征,最近一年无商业性性行为的比例为83．29％,有商业性性行为者中费用为每次200-400元及600元以上者占88．9％,性行为的方式主要为肛交,占64．45％（95％CI：56．81％-72．48％）。26．94％的人上一年度生殖器检查1-2次,10．97％的人未做检查。结论北京市男男性行为人群存在潜在流动性大、体检次数少、肛交为主、商业性性行为多发等艾滋病（AIDS）高危行为,应进一步加强对这类人群的健康教育,以遏制AIDS的传播。

Survey and analysis of multiple choices sensitive questions of men who have sex with men in Beijing

Objective To acquire the state of sensitive affairs of men who have sex with men in Bei- jing. Methods We used multiple choices of sensitive questions model on two-stage sampling to carry a survey on these people. Results We found that 71. 57% of the participants are not local people, 58.39% of them are under 30 years of age, 82.26% are single, 26.94% carried physical examination on their genital organ once or twice last year and 10.97% carried none. 83.29% didn＇ t have commercial sexual behavior. The anal sex is the mainly way of sexual behavior and its rate is 64.45% and its 95% confidence limit is 56.81% to 72.48%. Conclusion The MSM in Beijing have several factors of high risk of AIDS infection such as potential movement of population, lack of physical examination, commer- cial sexual behavior. We should enhance the education on safe sexual behavior towards MSM to prevent AIDS spreading in China.