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目的了解深圳市男男性行为者(Men who have sex with men,MSM)HIV/梅毒感染情况及高危行为特征,为今后有针对性地实施有效干预措施提供科学依据。方法知情同意原则下,收集深圳市2012年MSM人群HIV/梅毒监测资料,进行单因素和多因素Logistic回归分析。结果共502例接受自愿咨询检测,42.6%性角色以主动为主,25.5%以被动为主,30.1%二者兼有,1.8%极少肛交或多口交;半年内68.3%肛交性伴数≥2个,65.3%口交性伴数≥2个;40.9%半年内肛交时每次使用安全套,3.6%半年内口交时每次使用安全套,44.5%半年内与女性性交时每次使用安全套。梅毒感染率为18.3%,HIV感染率为9.8%,梅毒合并HIV感染率为5.0%;多因素Logistic回归分析结果表明:性角色、肛交性伴数是MSM人群感染HIV的影响因素,HIV主动检测史、性角色、做过男男性工作者是MSM人群感染梅毒的影响因素。结论深圳市MSM人群HIV感染率仍呈上升趋势,应加强健康教育和行为干预工作,以有效阻断HIV传播。
Objective To understand the HIV / syphilis infection and risk behaviors among men who have sex with men (MSM) in Shenzhen, and to provide a scientific basis for the targeted implementation of effective interventions in the future. Methods According to the principle of informed consent, HIV / syphilis surveillance data from MSM population in Shenzhen in 2012 were collected and analyzed by single factor and multivariate Logistic regression. A total of 502 patients received voluntary counseling and testing, 42.6% of them were active, 25.5% were passive, 30.1% both, and 1.8% had very few anal intercourse or oral sex. 68.3% of the number of anal sex within six months 2, 65.3% had oral sex with partners ≥2; 40.9% used condoms for anal sex within 6 months, 3.6% used condoms for oral sex within half a year, and 44.5% used condoms for sexual intercourse with women for half a year within half a year. Syphilis infection rate was 18.3%, HIV infection rate was 9.8% and syphilis infection rate was 5.0%. Multivariate logistic regression analysis showed that sexual role and anal sex number were the influencing factors of HIV infection in MSM population. HIV positive detection History, sexual roles, men who have done MSM MSM affect the population infected with syphilis factors. Conclusion The prevalence of HIV infection in MSM population in Shenzhen still shows an upward trend. Health education and behavioral intervention should be strengthened to effectively block the transmission of HIV.