同伴推动抽样法在济南市男男性接触人群中的应用研究

Application of respondent driven sampling in the study on male homosexual population in Jinan city

摘要: 目的探索同伴推动抽样法（RDS）在济南市男男性接触人群（MSM）中应用的可行性，了解该人群性行为特征及艾滋病感染状况。方法使用 RDS 进行匿名问卷调查，采集血标本，使用RDSAT 5.5软件进行统计学分析。结果调查500名MSM，HIV阳性检测率为3.1%。自我评估为男性性取向占46.3%。49.9%发生过无保护性行为。结论济南市MSM人群HIV阳性检测率高于其他高危人群阳性检测率，高危行为普遍存在，必须加强干预工作力度，减少二代传播。

Abstract: ObjectiveTo explore the feasibility of respondent driven sampling (RDS) for studying men who have sex with men(MSM) in Jinan city, and explore the characteristics of sexual behavior and infection situation of AIDS in MHP. MethodsAn anonymous questionnaire survey was conducted by RDS, and blood samples were collected. The data were analyzed statistically by RDSAT 5.5. ResultsOf the 500 MHP cases investigated, 3.1% were found HIV positive, 46.3% were self-evaluated having male sexual orientation, and 49.9% had unprotected sex. ConclusionThe HIV positive rate was significant higher in MHP in Jinan city than that in other high-risk population. The high-risk sexual behaviors were common in MHP. The intervention must be reinforced to reduce the HIV prevalence.