中国部分城市2004年1389例男男性接触者艾滋病高危行为及相关因素调查

Study on 1389 men who have sex with men regarding their HIV high-risk behaviors and associated factors in China's Mainland in 2004

目的了解中国大陆男男性接触者（MSM）的艾滋病病毒／艾滋病（HIV／AIDS）高危行为及有关影响因素。方法对6大城市1389例MSM采用定向抽样法进行匿名问卷调查和尿液HIV-1抗体检测。应用SPSS 11．0软件对数据资料进行整理分析。结果MSM平均年龄为27．62岁。首次性交年龄平均19．18岁。寻找同性性伴的最主要途径是互联网（43．07％），同性爱者活动场所（35．29％）。近6个月平均同性性伴数为5．69人，平均陌生性伴为4．37人，平均肛交同性性伴为4．33人。曾参与群交者占11．61％。尿液HIV-1抗体初筛检测13例阳性。有肛交史者近6个月内坚持使用安全套者占32．46％，最近一次肛交用过安全套者占76.37％。近6个月曾与女性性交从不用安全套者占47．18％。结论MSM普遍存在易感染HIV的多种高危行为，需加大对该人群的AIDS干预力度，并创造有助于MSM的AIDS控制的支持性环境。

Objective To study the HIV related high-risk behaviors and associated factors on the spread of HIV among men having sex with men （MSM） who lived in China's Mainland and to provide evidence for developing related policies and intervention measures. Methods Questionnaires were distributed at gay bars and volunteer activity venues in six big cities of China. Data on 1389 valid cases was collected and urine HIV screening test was provided. Data was analyzed with SPSS 11.0. Results The respondents were 27.62 year olds on average with an average age for first intercourse at 19.18. The most commonly available way of finding a sex partner was through internet（43.07 % ）, followed by gay bar and public bathrooms（35.29 % ）. 6 months prior to the study, the average number of their male sex partners was 5.69 including 4.37 unfamiliar sex partners and the average number of anal-intercourse was 4.33 with 11.61 per cent of them had experienced group sex. 13 cases of them showed positive results for preliminary urine HIV screening test. In the prior 6 months, 32.46 per cent of those who had experienced intercourse using condom every time while 76.37 per cent of them during the last sex episode. In the previous 6 months, 47.18 per cent of those who had experienced intercourse with women never used condoms. Conclusion HIV high-risk behaviors are ubiquitous among MSM and AIDS intervention measures should be significantly strengthened in reaching MSM via a wide variety of conduits, especially internet. Meanwhile, a gay-friendly environment for prevention and control of AIDS is vital.