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目的研究男男性行为接触者(MSM)HIV感染的情况及其影响因素。方法 2012-2014年,利用方便抽样方法在MSM活动场所招募研究对象,最终3 366名调查对象进行了问卷调查和抽血检测,使用χ~2检验进行单因素分析,筛选出有统计学意义的影响因素后再使用多因素Logistic回归分析影响HIV感染的因素。结果 HIV初筛阳性723人,初筛阳性率21.48%,HIV确认阳性124人,阳性率3.68%;梅毒检测结果阳性614人,阳性率18.29%。经Logistic回归分析后,对HIV感染有显著性影响的因素包括年龄、文化程度(初中、大专及以上)、最近3个月的男性伴侣数、是否知道结果、最近3个月与男性肛交时使用安全套、梅毒检测结果。结论广州MSM加大艾滋病由高危人群向一般人群传播的风险,加强干预,增加健康宣教活动,提高艾滋病防治知识知晓率和安全套使用率,有效降低HIV感染。
Objective To investigate the prevalence of HIV infection among men who have sex with men (MSM) and its influencing factors. Methods In 2012-2014, 3 366 subjects were recruited by means of convenience sampling in the MSM venues for questionnaires and blood tests. One-way analysis using χ 2 test was used to screen out statistically significant Influential factors and then use multivariate Logistic regression analysis of factors affecting HIV infection. Results A total of 723 HIV positive patients were screened out. The positive rate of primary screening was 21.48%. The HIV positive rate was 124, the positive rate was 3.68%. The positive rate of syphilis was 614, with a positive rate of 18.29%. Logistic regression analysis showed that the factors influencing HIV infection were age, educational level (junior high school, college level and above), the number of male partners in the recent 3 months, whether they knew the result, anal sex with the male in the last 3 months Condom, syphilis test results. Conclusions Guangzhou MSM increases the risk of AIDS spreading from the high-risk population to the general population, strengthens the intervention, increases the healthy propaganda and education activities, enhances the awareness of AIDS prevention and control and condom use rate, and effectively reduces HIV infection.