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目的了解许昌市男男性行为人群艾滋病高危行为及影响因素,为针对性地开展MSM人群预防艾滋病干预工作提供科学依据。方法采用滚雪球抽样方法,对目标人群进行匿名问卷调查,并采血进行艾滋病/梅毒的血清学检测。结果172人最近六个月发生异性性行为(45.50%),性伴数1个者155人(90.12%);最近一次异性性行为58人使用安全套(33.72%)。最近六个月异性性行为65人从来不用安全套(33.79%)。MSM人群HIV、梅毒感染状况检测378人,检出HIV抗体阳性39人(10.32%),梅毒抗体阳性57人(15.08%)。影响因素分析结果可知,婚姻状况为未婚/离异的最近一次肛交安全套使用情况与已婚/同居差异有统计学意义(P<0.05)。结论许昌市男男性行为人群多性伴、低安全套使用率现象普遍,艾滋病/梅毒感染率高,应加大宣传和高危行为干预力度,促进该人群降低危险行为,控制艾滋病的蔓延。
Objective To understand the high-risk behavior of HIV / AIDS and its influencing factors among MSM population in Xuchang city and to provide a scientific basis for targeted prevention of AIDS among MSM population. Methods The snowball sampling method was used to conduct anonymous questionnaire survey on the target population and blood tests for HIV / AIDS serology. Results 172 people were heterosexual (45.50%) in the last six months, 155 (90.12%) had 1 partner, and 58 (33.72%) had the last heterosexual sex. Sixty-five people who never used condoms for heterosexual sex in the last six months (33.79%). Among 378 MSM HIV and syphilis infections, 39 (10.32%) were positive for HIV antibody and 57 (15.08%) were positive for syphilis antibody. According to the analysis of the influential factors, the latest condom use and married / cohabitation differences in marital status as unmarried / divorced were statistically significant (P <0.05). Conclusion The prevalence rate of sexual partners and low condoms among MSM in Xuchang City is common and the HIV / syphilis infection rate is high. Publicity and high-risk behavior intervention should be strengthened so as to promote the population to reduce risk behaviors and control the spread of AIDS.