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目的了解河北省男男性行为者(MSM)的人口学特征、艾滋病相关高危行为、艾滋病病毒(HIV)感染情况及其影响因素,为探索针对性的干预工作模式提供依据。方法 2010-2014年,每年4-6月招募2 000名调查对象,由经过培训的工作人员进行问卷调查,收集调查对象的人口学特征、高危行为发生情况,采集血样进行HIV、梅毒和丙型肝炎病毒(HCV)抗体检测。结果 2010-2014年,共监测MSM 10 000人,HIV抗体阳性率为5.21%(521例),梅毒阳性率5.80%(580例),HCV阳性率0.33%(33例)。最近6个月与同性发生肛交的比例分别为75.0%、87.2%、90.0%、87.7%、87.6%,发生肛交时一直使用安全套的比例分别为57.8%、49.3%、38.4%、50.6%、42.0%,艾滋病知识知晓率在90%左右。梅毒阳性、高年龄组、已婚是HIV感染的危险因素,高文化程度、高知晓率、有异性性行为、接受过同伴教育是HIV感染的保护性因素。结论 MSM中各种高危行为仍然存在,应加强对MSM的行为干预,制定针对性的干预措施。
Objective To understand the demographic characteristics, high-risk AIDS-related behaviors, HIV infection and its influencing factors in MSM in Hebei Province, and provide basis for exploring targeted intervention modes. METHODS: From 2010 to 2014, from April to June each year, 2,000 survey participants were recruited and trained staff conducted a questionnaire survey to collect the demographic characteristics of the survey subjects, the incidence of high-risk behaviors, blood samples collected for HIV, syphilis and type C Hepatitis virus (HCV) antibody test. Results A total of 10 000 MSM were monitored in 2010-2014. The positive rate of HIV antibody was 5.21% (521 cases), the positive rate of syphilis was 5.80% (580 cases) and the positive rate of HCV was 0.33% (33 cases). The rates of anal intercourse with homosexuals in the past 6 months were 75.0%, 87.2%, 90.0%, 87.7% and 87.6%, respectively, and 57.8%, 49.3%, 38.4%, 50.6% and 42.0% respectively %, Awareness of AIDS knowledge at about 90%. Syphilis positive, high age group, married risk factors for HIV infection, high educational level, high awareness rate, heterosexual behavior, peer education has been a protective factor in HIV infection. Conclusion All kinds of high-risk behaviors still exist in MSM. Behavior intervention should be strengthened and targeted interventions should be formulated.