采用同伴推动抽样法在重庆市男男性行为人群中开展HIV流行病学调查

欧阳琳; 琳冯连; 丁贤彬; 赵金扣; 徐静; 韩梅; 周超

Abstract

欧阳琳,琳冯连,丁贤彬,赵金扣,徐静,韩梅,周超.采用同伴推动抽样法在重庆市男男性行为人群中开展HIV流行病学调查[J].Chinese journal of Epidemiology,2009,30(10):1001-1004

采用同伴推动抽样法在重庆市男男性行为人群中开展HIV流行病学调查

A respondent-driven sampling survey onⅢV and risk factors among men who have south men in Chongqing

Received:February 19, 2009

DOI：

KeyWord: 艾滋病病毒男男性行为人群同伴推动抽样法

English Key Word: Hman immunodeficiency virus Mfill who have sex with men Respondent driven sampling

FundProject:Fogany项目(R01-HL-73699)

Author Name	Affiliation	E-mail
OU Yang-lin	Chongqing Centerfor Disease Control and Prevention, Chongqing 400042, China
FENG Lian-gui	Chongqing Centerfor Disease Control and Prevention, Chongqing 400042, China	flg@cqcdc.org
DING Xian-bin	Chongqing Centerfor Disease Control and Prevention, Chongqing 400042, China
ZHAO Jin-kou	盖茨基金会北京代表处
XU Jing	Chongqing Centerfor Disease Control and Prevention, Chongqing 400042, China
HAN Mei	Chongqing Centerfor Disease Control and Prevention, Chongqing 400042, China
ZHOU Chao	Chongqing Centerfor Disease Control and Prevention, Chongqing 400042, China

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Abstract:

目的了解重庆市男男性行为(MsM)人群HIV的感染状况和相关危险因素，并探索同伴推动抽样方法(RDS)的可行性。方法在前期定性调查的基础上，采用RDS对MSM人群进行抽样，用标准化问卷收集行为学信息并采集血液样本进行HIV和梅毒的血清学检测，采用RDSAT软件对数据进行权重处理并用SPSS软件进行单因素分析，NETDRAW软件作网络招募图。结果经RDSAT软件调整后，在617名招募者中，HIV和梅毒的感染率分别为16．8％和 10．9％。其中20～29岁组占73．0％，72．9％是本地人，83．4％未婚，学生的构成比最高占24．6％。最近半年83．4％的调查者有肛交行为，54．O％的人有无保护性肛交性行为。梅毒阳性与HIV感染状况密切相关。结论重庆市MSM人群的HIV感染率处于较高水平；在重庆市MSM人群较活跃的地区RDS方法是简便可行的，相对于滚雪球法可招募到更多不常去“同志场所”的目标人群。

English Abstract:

Objective To examine HIV prevalence and related risk factors among men who have sex with men(MSM)in Chongqing，and to explore the feasibility of USing respondent-driven sampling(I①S)in the survey．Methods Based on Results from formative research a RDS survey WaS designed and conducted to collect demographic．behavioral and serologic data．RDSAT was used to calculate point estimation and confidence intervals．SPSS WaS used for bi．variate analysis using RDSAT exported weighed data．NETDRAW Was used to draw network diagram．Results Among 617 subjects recruited．the adjusted HIV and syphilis prevalence rates were 16．8％and 10．9％．respectively．73．0％of the subjects were 20 t0 29 years Old and 72．9％were o伍cially registered residents of Chongqing．83．4％were single，with the proportion of students the highest， accounting for 24．6％．During the last six months，83．4％of them reported ever having anal sex，and 54．0％reported having unprotected anal sex．Conclusion ThiS survey confirmed that Chongqing had a higher reported HIV prevalence among MSM all from other Chinese cities．Comprehensive intervention services were required to address this alarmingly high prevalence．with focus 011 intervention through internet and those having syphilis infection．RDS seemed one of the effective ways of recruiting hidden MSM populations in Chongqing which had a large population of active MSM who did not frequently visit MSMVenues as compared with snowball method.

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