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目的了解深圳市男男性行为者(MSM)婚姻状况及其对梅毒和艾滋病病毒(HIV)感染的影响。方法于2009-2015年,应用滚雪球法和同伴推动抽样法,在深圳市招募5221名MSM为调查对象。采用一对一问卷调查方法,收集其社会人口学特征、性取向、性角色、最近半年内性伴数及安全套使用情况等信息;采集静脉血5mL进行梅毒螺旋体抗体和抗-HIV检测。定量资料采用单因素方差分析,分类资料采用χ2检验。结果 5221名MSM中,梅毒检出率为19.75%(1031例),HIV检出率为9.10%(475例),梅毒合并HIV检出率为4.86%(254例)。MSM中未婚者占70.02%(3656例),已婚25.30%(1321例),离异/丧偶4.67%(244例)。不同婚姻状况MSM间,近半年内女性性伴数、男性肛交性伴数、口交性伴数、安全套使用及HIV检出率差异均有统计学意义。已婚MSM梅毒检出率为19.23%(254/1321),HIV检出率为10.30%(136/1321),与女性伴性交时每次使用安全套比例仅为24.31%,与男性伴肛交时每次使用安全套比例仅为37.35%。结论深圳市已婚MSM梅毒和HIV检出率均较高,每次使用安全套比例低。应针对已婚MSM采取有效的干预措施,以阻断梅毒、HIV向普通人群传播。
Objective To understand the marital status of MSM in Shenzhen and its impact on syphilis and HIV infection. Methods From 2009 to 2015, 5221 MSMs were recruited in Shenzhen City using the snowball method and peer promotion sampling method. One-on-one questionnaires were used to collect information on their socio-demographic characteristics, sexual orientation, sexual roles, number of sexual partners in the past six months and condom use. Blood samples of 5 mL were collected for the detection of Treponema pallidum antibody and anti-HIV. Quantitative data using one-way analysis of variance, classification data using χ2 test. Results Among 5221 MSM cases, the detection rate of syphilis was 19.75% (1031 cases), the detection rate of HIV was 9.10% (475 cases) and that of syphilis was 4.86% (254 cases). Among unmarried MSMs, 70.02% (3656) were married, 25.30% (1321) married, and 4.67% (244) were divorced / widowed. Among MSM with different marital status, the number of female sexual partners, male anal sex partners, oral sex partners, condom use and HIV detection rates in the past six months were all significantly different. The detection rate of syphilis in married MSM was 19.23% (254/1321), the detection rate of HIV was 10.30% (136/1321), only 24.31% of every condom use was sexual contact with female, The proportion of secondary use of condoms was only 37.35%. Conclusion The detection rate of MSM syphilis and HIV in Shenzhen is high, with a low proportion of condom use. Effective interventions should be taken against married MSM to stop syphilis and HIV transmission to the general population.