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目的了解云南省昆明市男男性行为(MSM)人群的艾滋病病毒(HIV)感染情况,分析其感染的影响因素,为今后制定和开展针对性的干预提供依据。方法 2012年7—12月在昆明市招募458名MSM进行调查,抽取静脉血进行HIV、梅毒、生殖器疱疹II型(HSV-2)检测。结果在调查的458人中,HIV感染率为9.83%,梅毒感染率为6.1%,HSV-2感染率为15.5%;最近6个月有97.2%与男性发生过肛交性行为,有82.0%最近1次肛交性行为时使用了安全套,但其中仅有56.4%为每次均使用,35.5%为有时使用,8.1%为从未使用;单因素分析结果表明,影响HIV感染的变量为最近6个月性伴数、最近6个月使用安全套的频率、梅毒和HSV-2感染情况;多因素logistic回归分析显示,梅毒检验结果、最近6月安全套使用频率、婚姻为HIV感染的影响因素。结论昆明市MSM人群HIV感染态势严峻,受到性伴数、性病感染、尤其是安全套不能坚持使用的影响。
Objective To understand the status of HIV infection among MSM in Kunming, Yunnan Province, and to analyze the influencing factors of HIV infection in MSM. Methods 458 MSM patients were enrolled in Kunming from July to December in 2012. Blood samples were collected for HIV, syphilis and genital herpes type II (HSV-2). Results Among the 458 people surveyed, HIV infection rate was 9.83%, syphilis infection rate was 6.1% and HSV-2 infection rate was 15.5%. In the recent 6 months, 97.2% had anal intercourse with men, 82.0% Condom was used in 1 anal sex but only 56.4% was used each time, 35.5% was used occasionally and 8.1% was never used. Univariate analysis showed that the variables affecting HIV infection were 6 Monthly sex partners, frequency of condom use in recent 6 months, syphilis and HSV-2 infection. Multivariate logistic regression analysis showed syphilis test results, frequency of condom use in recent 6 months, and marital factors affecting HIV infection. Conclusion HIV infection in MSM population in Kunming is in a serious situation, which is affected by the number of sex partners and sexually transmitted diseases, especially condom use.