中国大陆男男性接触者艾滋病性病高危险行为情况调查

目的 调查中国大陆男男性接触者（men who have sex with men,MSM)的艾滋病（acpuired immunodeficiency syndrome,AIDS）和性病（sexually transmitted diseases,STD）高危险行为及相关情况。方法 采用不同记名邮寄问卷形式调查。结果 发放调查问卷1800份，回收有效问卷729份，应答率40.5%。调查对象平均31.0岁。首次男男性交平均18.6岁。累计男性伴平均数39.2人，75.7%有过肛交行为。近一年内，63.6%有过陌生男性伴，39.8%曾群交，9.3%“买”过性，３.8％“卖”过性。约半数与女性性交过。　133人自述患过性病（18.2%）。62人检测过人类免疫缺陷病毒（human immune deficiency virus,HIV）抗体，11人阳性（17.7%）。约2/3使用过避孕套。结论 被调查的MSM在性方面相当活跃，HIV感染率在这一人群中巳达较高水平，而且流行全直接蔓延到异性恋人群。

Survey on the high risk behaviors related to acquired immunologic deficiency syndrome and sexually transmitted diseases among men who have sex with men in mainland China

Objective To understand the high risk behaviors related to acquired immunologic deficiency syndrome (AIDS) and sexually transmitted diseases (STDs) among men who have sex with men (MSM) in mainland China. Methods A self administrated anonymous mail survey was carried out in MSM throughout the mainland of China in 1999. Results One thousand eight hundred questionnaires were mailed out and 729 effective questionnaires were collected. The response rate was 40.5 %. The average age of subjects was 31 years old. Their average age at first sexual intercourse with a man was 18.6 years old. Average number of male sexual partners were 39.2 out of which 75.7 % reported having had anus intercourse. In the latest year, 63.6 % reported ever having sex with strange men, 39.8 % reported ever having group sex, 9.3 % reported having sold sex and 3.8 % having bought sex. 50% of them reported ever having sex with women. One hundred thirty three reported having been diagnosed STD. Sixty two reported having tested for HIV antibody and 11 were positive. Two thirds reported ever using a condom when having sex. Conclusion High risk sexual behaviors were prevalent among MSM in mainland China with HIV infection rate already reaching a high level. Women having sex with MSM are at a greater risk of HIV infection.