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目的了解男男性行为人群(MSM)艾滋病知识知晓和不同地区肛交保护性现状,分析影响因素。方法 2015的3-10月,以绵阳市9个县(市、区)MSM为对象,在固定场所和知情同意下,用滚雪球抽样法,进行调查对象招募和自填式行为学调查及血清学检测。结果共调查1 271例,艾滋病知识知晓率98.2%(1 248/1 271),肛交保护性近1次92.7%(1 036/1 117)、近6月82.7%(924/1 117),不同地区差异有统计学意义(分别有=58.488、100.040,P均<0.001)。近6月肛交人群中有保护性和无保护性艾滋病病毒(HIV)感染率分别为4.7%(43/924)、9.8%(19/193)(=8.207,P=0.004)。多因素分析:文化程度、婚姻状况、艾滋病知识、认识当地MSM朋友数、压力感受、近1周肛交次数是肛交保护性的独立影响因素(P均<0.05)。结论绵阳市MSM艾滋病知识知晓率、性行为保护性较高,地区间不平衡。肛交保护性与人口学特征、知识知晓、肛交频率、压力感受相关。应关注压力感受对性行为保护性的影响。
Objective To understand the HIV / AIDS awareness of men who have sex with men (MSM) and the protective status of anal sex in different regions and analyze the influencing factors. Methods From March to October 2015, MSM of 9 counties (cities and districts) in Mianyang City was used to investigate the recruitment and self-contained behavioral survey and serology with the snowball sampling method with fixed place and informed consent Detection. Results A total of 1 271 cases were investigated. The rate of awareness of AIDS was 98.2% (1 248/1 271), that of anal protection was 92.7% (1036/1 117), 82.7% (924/1 117) Regional differences were statistically significant (= 58.488,100.040, P <0.001). In the last 6 months, the rates of protective and unprotected HIV infection were 4.7% (43/924) and 9.8% (19/193) respectively in the anal intercourse population (= 8.207, P = 0.004). Multivariate analysis: educational level, marital status, AIDS knowledge, knowledge of local MSM friends, feeling of stress, and the frequency of anal intercourse in the past 1 week were independent factors of anal sex protection (all P <0.05). Conclusion The MSM awareness rate of HIV / AIDS and sexual behavior protection in Mianyang City are high, and the imbalance among regions. Anal sex protection and demographic characteristics, knowledge, anal frequency, stress related. Should pay attention to the protective effect of stress on sexual behavior.