男男性行为者婚姻状况及其艾滋病高危行为比较

目的了解男男性接触者（men who have sex with men,MSM）人群婚姻状况分布及不同婚姻状况者艾滋病高危行为特点。方法采用同伴驱动抽样和分层滚雪球方法在4个城市招募MSM,通过问卷调查收集相关信息。结果在婚MSM无保护主动/被动肛交及无保护阴道交比例分别为52.4%,42.5%,82.8%,均高于非婚组的44.1%,33.7%,65.6%（均有P〈0.05）。在婚组有同性固定性伴及同性商业性伴的比例分别为49.0%,3.7%,均低于非婚组的62.9%与7.9%（均有P〈0.05）;在婚组最常通过浴池、桑拿等场所寻找性伴（40.8%）,非婚者主要通过互联网寻找性伴（42.4%）。相对于非婚者,在婚MSM文化程度（P〈0.01）与艾滋病知识水平（P〈0.05）较低,艾滋病宣传与检测服务的利用报告率低（P〈0.01）。结论在婚与非婚MSM亚人群艾滋病相关高危性行为虽表现方式有所不同,但都很高,需尽快加强MSM人群的干预力度与干预覆盖面。

Comparison of AIDS related sexual behaviors between married and unmarried MSM

Objective To understand the distribution of marriage status and compare HIV-related risk behavior among men who have sex with men（MSM）with different marital status.Methods Participants were recruited using respondent driven sampling and categorical snowball sampling method.A face-to-face questionnaire was administrated to collect the demographic and sexual behavior and sexual partner characteristics.Results The rates of unprotected insertive and unprotected receptive anal sex and unprotected vaginal sex of married MSM were 52.4%,42.5% and 82.8% respectively,which was significant higher than the non-married ones＇（44.1%,33.7% and 65.6% respectively）.The rates of having male confirm sexual partners and male commercial sexual partners of married MSM were both lower than non-married MSM（49.0%.vs.62.9%,P〈0.05;3.7%.vs.7.9%,P〈0.05）.Married MSM mostly looked for sexual partners at bath house（40.8%）and non-married MSM did mostly through the internet（42.4%）.Married MSM reported significant lower rates of HIV/AIDS testing and consulting service and had a relatively lower education and lower HIV knowledge than non-married MSM（P〈0.01）.Conclusions Married MSM had higher risk behaviors.Intervention should be enforced dramatically on married MSM.