天津市男男性行为人群艾滋病病毒感染情况 及影响因素调查

摘要:目的　了解天津市男男性行为人群（MSM）艾滋病病毒（HIV）感染情况，探讨该人群中HIV感染的影响因素，为进一步开展干预工作提供依据。方法　2013年7-12月，对天津市酒吧、浴池、KTV等活动场所的MSM开展问卷调查，同时进行HIV和梅毒抗体的快速检测。结果　在接受调查的1 000人中，20～39岁占89.8%，未婚占63.2%，本市户籍占65.8%，HIV感染率为1.4%，梅毒感染率为21.2%。多因素分析显示，与HIV感染有关的因素有年龄［比值比（OR）＝20.511，95%可信区间（CI）:2.446～171.995］、文化程度（OR＝6.274，95%CI:1.812～21.723）、艾滋病知识知晓情况（OR＝5.097，95%CI:1.407～18.468）、寻找性伴场所（OR＝4.734，95%CI:1.248～17.963）和最近一次肛交安全套使用情况（OR＝3.318，95%CI:1.063～10.356）。结论　年龄、文化程度、艾滋病知识知晓情况、寻找性伴场所和最近一次肛交安全套使用情况是天津市MSM人群HIV感染的主要影响因素。应针对MSM人群的特点开展有针对性的干预措施，控制HIV的传播。

Investigation on HIV prevalence and influencing factors among men who have sex with men in Tianjin city

Abstract: Objective The aim of this study was to explore human immunodeficiency virus (HIV) prevalence and influencing factors among men who have sex with men (MSM) in Tianjin and to discuss the influence factors of HIV infection in this population so as to provide a reference for future intervention. Methods A questionnaire survey was conducted towards MSM in city bar, bath, KTV and other activities in Tianjin from July to December of 2013. Rapid tests of HIV and syphilis antibody were conducted at the same time. Results Of the 1000 MSM surveyed, 89.8% were 20-39 years old, 63.2% were unmarried, and 65.8% were local. The detection rate of HIV was 1.4% while that of syphilis infection was 21.2%. Multiple logistic regression analysis revealed that age odds ratio (OR) = 20.51, 95% confidence interval (CI): 2.45～171.99], education (OR=6.27, 95%CI: 1.81～21.72), HIV/AIDS awareness (OR=5.10, 95%CI: 1.41～18.47), place for seeking sexual activity (OR=4.73, 95%CI: 1.25～17.96) and condom usage in the last sexual intercourse (OR=3.32, 95%CI: 1.06～10.36) were significantly associated with HIV infection. Conclusion Age, education, HIV/AIDS awareness, place for seeking sexual activity and condom usage in the last sexual intercourse were the main influencing factors of HIV infection among MSM in Tianjin. Targeted interventions should be carried out according to the characteristics towards MSM to control the spread of HIV.