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目的了解男-男性行为者(MSM)买性商业性行为(商业性行为)影响因素。方法对绵阳市建立的MSM人群开放性队列进行随访调查,采用滚雪球采样法招募人员,进行相关行为学调查和血清学检测。结果调查男-男商业性行为的398例中,5.8%有过商业性行为,3.4%近6月有商业性行为,每次使用安全套91.7%。有或无商业性行为者,HIV确认感染率分别为17.4%和5.3%、HIV新发感染率分别为10.6/100人年和3.5/100人年、梅毒现症感染率分别为17.4%和8.8%(P均>0.05)。单因素分析年龄、职业、婚姻状况、近1年接受过艾滋病咨询检测、自认HIV感染风险、认识当地MSM朋友数、近6月家庭型寻找性伴、性伴最小年龄、男性肛交数、群交、有过异性性行为、固定性伴侣(BF)期间多性伴、习惯携带安全套、出柜、累计BF数、累计偶然性伴数、性行为安全套破损和吸毒与商业性行为相关(P均<0.05),多因素分析商业性行为的独立影响因素包括年龄、认识当地MSM朋友数、出柜、吸毒、自认HIV感染风险、近6月男性肛交数、近6月群交和有过异性性行为(P均<0.05)。结论 MSM买性商业性行为高危行为突出、多样,是HIV感染和传播的核心亚群,应针对其行为特征采取干预措施。
Objective To understand the influencing factors of commercial sexual behavior (commercial sex) of male-male actors (MSM). Methods The open cohort of MSM population established in Mianyang City was followed up. The snowball sampling method was used to recruit staff to conduct relevant behavioral investigation and serological test. Results Of the 398 male and male commercial sexes surveyed, 5.8% had commercial sex and 3.4% had commercial sexes in June and 91.7% each time they used condoms. With or without commercial sex, HIV infection rates were 17.4% and 5.3% respectively, and the rates of new HIV infections were 10.6 / 100 and 3.5 / 100 respectively. The prevalence of syphilis was 17.4% and 8.8% respectively % (P> 0.05). Univariate analysis of age, occupation and marital status, AIDS counseling and testing in the past year, risk of HIV infection, acquaintance with local MSM friends, family looking for sexual partners in recent 6 months, minimum sexual partner age, male anal sex, group sex (P <0.05), heterosexual behavior, multiple sexual partners during fixed-term partners (BF), habitual carrying of condoms, outbound counseling, accumulated BFs, cumulative incidental companion numbers, sexual condom damage and drug abuse ), Multivariate analysis of independent factors affecting commercial behavior including age, MSM friends know the local out of the closet, drug addiction, consider themselves HIV risk, the number of male anal nearly 6 months, group sex and heterosexual behavior in recent 6 months ( P <0.05). Conclusion MSM commercial sexual behavior at risk of high-profile, diverse, is HIV infection and transmission of the core sub-group, should be based on their behavioral characteristics of interventions.