Sexual features of heterosexual intercourse and HIV situation among men having sex with men in Kunming
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摘要: 目的 了解男男性行为人群兼有异性性行为者的性行为特征及艾滋病感染现状，为其防制提供有效干预策略。方法 利用滚雪球非概率抽样，招募男男性行为人群为研究对象，对其进行匿名问卷调查及HIV/梅毒检测。结果 共招募557名MSM人群，最近半年16.3%兼有异性性行为，平均异性性伴数为1.4个，多性伴（≥2个性伴）者有20.9%，首次性行为对象是异性者为32.0%，最近一次安全套使用率为49.5%，坚持使用安全套的仅为29.7%。MSM人群兼有异性性行为者HIV/梅毒感染率分别为9.9%、6.6%；无异性性行为者HIV/梅毒感染率分别为11.4%、2.6%，两者在HIV/梅毒感染情况上无统计学差异（均有P>0.05）。多因素结果显示：高中/中专及以下学历、已婚、个人月收入>4 000元、双性恋者的MSM人群更容易发生异性性行为（均有P<0.05）。结论 MSM人群存在发生异性性行为且安全套使用率较低，应加强MSM人群双性性行为者的安全套使用意识和女性性伴感染HIV的风险意识，减少艾滋病在普通女性中传播流行的风险。Abstract: Objective To understand sexual features of heterosexual intercourse among men having sex with men(MSM) and HIV infection status in Kunming, then to provide valid evidence for HIV intervention.Methods Non-probability sampling was carried on to recruit MSM as subject, an anonymous questionnaire survey and HIV /syphilis screening tests were conducted. Results Among 557 MSM surveyed, 16.3% had sex with female in the past six months, the average number of partners was 1.4,and multi-partnering(≥2 sexual partners)was reported as 20.9%, 32.0% had sex with female in the first time,using condoms in the last heterosexual accounted for 49.5%, while only 29.7% of MSM consistently used condom. The infection rates of HIV/syphilis were 9.9% and 6.6% respectively, others who had no heterosexual intercourse were:11.4% and 2.6% respectively, the infection rates of HIV/syphilis were not significantly different among them(all P>0.05). Multivariate Logistic regression analysis indicated that high school education and below, married,individual monthly income over 4 000 were more likely to have heterosexual behavior(all P<0.05). Conclusions MSM existed heterosexuality and condom utilization rate was lower, targeted measures should be taken, to strengthen the consciousness of condom use among MSM with heterosexual behavior, and the risk of HIV infected among female partners, reduce the risk of HIV/AIDS prevalence in ordinary women.
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Key words:
- Sexual behavior /
- Infection /
- HIV
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