长春市男男性接触人群HIV感染情况及其影响因素

目的 了解长春市男男性接触人群(men who have sex with men,MSM)HIV、梅毒、丙型肝炎病毒(hepatitis C virus,HCV)的感染情况和男男性行为的基本情况,为制定和实施相应的防治措施提供科学依据.方法 采用同伴推动抽样方法获得男男性接触者,使用全国统一的问卷对每名调查对象进行问卷调查,并采集5 ml静脉血检测HIV、梅毒和HCV的感染情况.结果 在492名男男性接触者中发现HIV抗体阳性者34人,HIV感染率为7.4％(5.1％～10.1％)；共发现梅毒患者74例,梅毒患病率为16.3％(13.2％～19.4％)；初筛发现HCV阳性者3例,HCV抗体阳性率为0.8％(0.2％～1.5％).Logistic回归分析结果显示,婚姻状况为离异或丧偶( OR=3.739,95％ CI:1.382～10.115)和现症梅毒(OR=3.518,95％ CI:1.548～7.996)是MSM感染HIV的危险因素,文化程度较高是感染HIV的保护因素(OR=0.340,95％ CI:0.156～ 0.744).结论 长春市MSM人群HIV和梅毒的感染率较高,应该加强针对这一人群的HIV监测和干预工作.

Survey of HIV infection and related factors among men who have sex with men in Changchun City

Objective To understand HIV,syphilis and hepatitis C virus（HCV） infection and the related factors about HIV infection among men who have sex with men（MSM） in Jilin Province so as to provide scientific evidence for the disease control and prevention.Methods Respondent-driven sampling（RDS） method was used and a questionnaire survey was carried out among MSM in Jilin Province,their blood specimens were collected for tests of HIV antibody,syphilis antibody and HCV Ag.Results In total,492 MSM underwent serum tests and the rates of HIV,syphilis and HCV were 7.4%（5.1%～10.1%）,16.3%（13.2%～19.4%） and 0.8%（0.2%～1.5%） respectively.Moreover,divorced or widowed（OR=3.739,95% CI：1.382～10.115） and syphilis infection（OR=3.518,95% CI：1.548～7.996） were risk factors for HIV infection and higher education（OR=0.340,95% CI：0.156～0.744） was protective factor for HIV infection.Conclusions Prevalence of HIV and syphilis were at a high level in MSM in Changchun. Effective countermeasures for HIV/STD prevention and control should be explored for them to prevent HIV from spreading in MSM.