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目的了解男男性行为人群(Men who have sex with men,MSM)艾滋病病毒(Human immunodeficiencyvirus,HIV)感染状况,并分析其影响因素,为开展高危性行为干预工作提供依据。方法采用同伴推动抽样法招募研究对象,由经过专门培训的人员进行问卷调查和实验室检测,使用Epi Data 3.2建立数据库,采用SPSS 17.0进行统计分析。结果在过去12个月做过HIV抗体检测的占26.2%(126/474),其中知道检测结果的99.2%(125/126)。首次性行为平均年龄为22.5岁,近6个月平均性伴数为4.5个。最近6个月,7.2%(341/474)的人曾通过付钱的方式得到过男性提供的性服务,10.3%(49/474)的人为了得到钱为男性提供过性服务;31.4%(149/474)的人与女性发生过性关系。男性性伴数是无保护性行为的主要危险因素(P=0.000,OR=5.642)。艾滋病、梅毒和丙型肝炎的感染率分别为2.5%(12/474)、8.0%(38/474)、0.8%(4/474),其中艾滋病和梅毒共患率为0.6%(3/474)。结论 MSM人群普遍存在高危性行为,HIV感染率呈逐年上升的趋势,多性伴等不安全性行为是性病艾滋病感染的主要因素;应进一步加大MSM人群干预的力度,预防和控制艾滋病的传播和蔓延。
Objective To understand the status of human immunodeficiency virus (HIV) infection among men who have sex with men (MSM) and to analyze their influencing factors, and to provide the basis for high-risk behavior intervention. Methods Peer-driven sampling was used to recruit subjects. Specially trained personnel conducted questionnaires and laboratory tests. Epi Data 3.2 was used to establish a database and SPSS 17.0 was used for statistical analysis. Results 26.2% (126/474) of HIV antibody tests were done in the past 12 months, of which 99.2% (125/126) of the test results were known. The average age of first sexual intercourse was 22.5 years and the average number of sexual partners in the past 6 months was 4.5. In the last 6 months, 7.2% (341/474) of people have received men’s sexual services through payment, and 10.3% (49/474) have sex services for men in return for money; 31.4% (341/474) 149/474) had sex with women. The number of male partners was a major risk factor for unprotected sex (P = 0.000, OR = 5.642). The prevalence rates of AIDS, syphilis and hepatitis C were 2.5% (12/474), 8.0% (38/474) and 0.8% (4/474) respectively. The prevalence of AIDS and syphilis was 0.6% (3/474) . Conclusion MSM prevalence of high prevalence of HIV prevalence rates showed an upward trend year after year, multiple sexual partners and other unsafe sex is the main factor in STD and AIDS infection; MSM populations should further increase the intensity of intervention to prevent and control the spread of AIDS And spread.