Investigation of high-risk sexual behavior and STD/AIDS prevalence among men who have sex with men in Tongling
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摘要: 目的 了解铜陵市男男性行为(men who have sex with men,MSM)人群高危性行为和性病艾滋病感染现状,为制定MSM人群干预措施提供科学的根据。方法 通过同伴推动抽样(respondent-driven sampling,RDS)和QQ网络招募以及定期开展的男男外展活动招募MSM人群,采用问卷调查的方式收集人口学信息、艾滋病知识知晓情况及高危行为状况,采其外周静脉血5 ml检测HIV抗体和梅毒抗体。结果 共计有101名MSM参与调查,平均年龄为(24.8±6.2)岁,以未婚、大专学历、在职为主;调查显示,MSM人群艾滋病知识知晓率较高,达95.0%;安全套使用等知识正确知晓率较高,有75.2%的被调查者6题全部回答正确。发生首次性行为的平均年龄为(19.4±2.8)岁,有71.3%的MSM人群发生首次性行为的性伴为男性,最近6个月有88.1%的人与同性发生过性行为,其中有64.0%的人发生性行为时每次都用安全套,36.0%的人有时使用安全套;采集的62份血样中,HIV感染率为6.5%,梅毒感染率为1.6%。结论 铜陵市MSM人群HIV感染率较高,同性性行为中安全套使用率较低,预防艾滋病工作刻不容缓。
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关键词:
- 危险性行为 /
- 性传播疾病 /
- 获得性免疫缺陷综合征
Abstract: Objective To understand the status of high-risk sexual behavior and STD/AIDS infection among men who have sex with men (MSM) in Tongling City, and to provide scientific basis for the intervention of MSM population. Methods MSM were recruited by respondent-driven sampling (RDS), QQ network recruitment and regularly male outreach activities. Questionnaire was employed to collect demographic information and investigate AIDS awareness as well as high-risk sexual behaviors. 5 ml of peripheral blood were collected for detecting HIV antibody and syphilis antibody. Results 101 MSM with an average age of (24.8±6.2) were investigated. The majority of MSM were unmarried, well-educated, employees. The awareness rate of AIDS was 95.0%. The awareness rate of condom usage was higher among subjects with 75.2% of which giving correct answers to all 6 questions. The average age of the first sexual behavior was (19.4±2.8) years old, and 71.3% of subjects had male partner for the first sexual behavior. 88.1% of MSM had homosexual behavior in the past 6 months, among which only 64.0% used condoms consistently, 36.0% of them only used condoms occasionally. Moreover in 62 blood samples, the positive rate of HIV and syphilis was 6.5% and 1.6% respectively. Conclusions The positive rate of HIV is high among MSM in Tongling city. While the rate of condom usage is also low in homosexual behavior. Therefore, instant intervention to MSM population is critical for AIDS prevention.
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