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[目的]了解男男性接触者(MSM)人群艾滋病高危险行为和感染状况,为制定有效的干预措施提供科学依据。[方法]采用匿名问卷形式进行横断面调查和血标本的采集。[结果]在230名MSM中,年龄最小17岁,最大38岁,平均年龄25.46岁。93.48%有过肛交,92.17%有过口交,83.49%有过互相手淫,首次性行为年龄最小11岁,平均年龄20.88岁。首次性行为对象为男性占73.5%,女性占26.5%,目前完全同性为51.3%,双性为47.4%。过去1年平均男性伴数6.56个,最近1个月平均男性伴数1.58个。最近1次肛交和口交时安全套使用率分别为72.44%、13.47%,最近6个月肛交、口交安全套使用率分别为42.86%、3.62%,肛交、口交从不使用安全套率分别为11.22%、62.18%。HIV阳性率为0.87%,HBsAg阳性率为18.23%,RPR阳性率10.43%,TPPA阳性率15.21%。[结论]南宁市MSM人群普遍存在高危险性行为,有较高的艾滋病和梅毒等性传播疾病感染率,应加强对MSM人群的健康教育、行为干预。
[Objective] To understand the high risk behaviors and infections of HIV in MSM population and provide a scientific basis for making effective interventions. [Methods] Anonymous questionnaires were used for cross-sectional investigation and blood sample collection. [Results] Among the 230 MSMs, the youngest was 17 years old and the oldest was 38 years old, with an average age of 25.46 years. 93.48% had anal sex, 92.17% had oral sex, 83.49% had mutual masturbation, the first sexual intercourse is the youngest 11 years old, the average age is 20.88 years old. For the first time, sexual partners accounted for 73.5% of males, 26.5% of females, 51.3% of females and 47.4% of females. In the past year, the average number of male partners was 6.56, and the average number of male partners in the last month was 1.58. The rate of condom use in the last 6 months was 42.86% and 3.62% for the anal intercourse and oral sex, respectively. The rate of condom use without anal sex and oral sex was 11.22% and 62.18 respectively %. HIV positive rate was 0.87%, HBsAg positive rate was 18.23%, RPR positive rate was 10.43%, TPPA positive rate was 15.21%. [Conclusion] The prevalence of MSM in Nanning City is high risk behaviors, with high infection rate of sexually transmitted diseases such as AIDS and syphilis. Health education and behavioral intervention should be strengthened in MSM population.