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目的了解廊坊市男男性行为人群(MSM)艾滋病相关危险行为的暴露情况,分析该人群艾滋病病毒(HIV)和梅毒感染的主要危险因素。方法通过面对面的问卷调查,收集廊坊市区MSM的人口学资料、同性性行为、异性性行为以及艾滋病相关危险行为的暴露情况,并采集血液样本检测HIV和梅毒抗体,计算HIV和梅毒阳性率以及相关危险行为OR值。结果参加调查的233名MSM中,174人(74.6%)最近6个月发生过肛交性行为,肛交时坚持和经常使用安全套的人分别占46.6%和13.8%。该人群HIV和梅毒阳性率较高,检测195份血液样本,HIV抗体阳性13人,阳性率6.7%;梅毒抗体阳性41人,阳性率为21.0%。肛交不坚持使用安全套(OR=3.53,P=0.034)和性交过程中有自己出血经历(OR=9.967,P=0.003),是HIV感染的危险因素;而群交经历(OR=5.886,P<0.001)是梅毒感染的危险因素。结论廊坊市MSM人群有较高的HIV和梅毒阳性率,亟需在该人群中积极开展健康教育和行为干预,推广HIV和性病检测。
Objective To understand the exposure of HIV-related risk behaviors in men who have sex with men (MSM) in Langfang and to analyze the main risk factors of HIV and syphilis infection in this population. Methods Through face-to-face questionnaires, demographic data, homosexual behaviors, heterosexual behaviors and HIV-related risk behaviors in Langfang urban MSM were collected. Blood samples were collected to detect HIV and syphilis antibodies, and the positive rates of HIV and syphilis were calculated. Relevant risk behavior OR value. Results Of the 233 MSMs surveyed, 174 (74.6%) had anal intercourse in the past 6 months and 46.6% and 13.8% had persistent and frequent condom use on anal sex. The positive rate of HIV and syphilis in this population was high. A total of 195 blood samples were tested. The HIV antibody positive rate was 13 and the positive rate was 6.7%. There were 41 positive syphilis antibodies with a positive rate of 21.0%. (OR = 5.83, P = 0.034) and her own experience of bleeding during intercourse (OR = 9.967, P = 0.003) were the risk factors for HIV infection. ) Is a risk factor for syphilis infection. Conclusion The prevalence of HIV and syphilis among MSM population in Langfang City is very high. Health education and behavioral intervention are urgently needed in this population and HIV and STD testing should be promoted.