2009—2011年烟台市男男性行为人群艾滋病高危行为变化及影响因素研究

目的探讨烟台市男男性行为人群（men who have sex with men,MSM）艾滋病传播相关的行为变化趋势及其影响因素。方法采用流行病学与血清学相结合的方法,于2009-2011年对该人群进行问卷调查,并采集血液进行HIV、梅毒抗体检测。使用Epi Data 3.0建立数据库,应用SPSS 13.0软件对数据进行统计分析。结果2009-2011年共调查1 169名MSM,艾滋病相关知识知晓率、最近6个月每次都能坚持使用安全套率有逐年增加趋势;多因素Logistic回归分析显示,促使MSM最近6个月坚持安全套使用的影响因素有：艾滋病知识得分（OR=0.60,95%CI：0.37～0.97）,最近1年曾被诊断为性病（OR=2.18,95%CI：1.51～3.16）,最近1年接受过干预服务（OR=0.47,95%CI：0.35～0.64）。结论烟台市MSM人群艾滋病防治知识及安全套使用率近3年呈升高趋势,但不安全性行为的普遍存在,不能100%坚持安全套的使用等行为还需引起高度重视。

Study on the high risk behavioral change and related factors among MSM in Yantai City, 2009 -2011

Objective To understand HIV-related behavioral characteristics and related factors among men who have sex with men（MSM） in Yantai City, China, and to analyse HIV/STD prevalence and behavioral change trends among MSM, so as to explore effective intervention to control the epidemic and spread of AIDS. Methods Three consecutive sur- veys were conducted among MSM in 2009, 2010 and 2011, respectively. Blood samples were collected from all participants to test their status of HIV and syphilis prevalence. Survey data were recorded with Epi Data 3.0 software. SPSS 13.0 soft- ware was applied for all statistical analysis. Results 1 169 participants in total were investigated in the three years, the H1V/AIDS knowledge scores ≥6 and the rates of consistent condom use for MSM with regular partners in the last six months among MSM were increasing. The results of multivariate Logistic analysis showed that the following factors were significantly associated with the rates of consistent condom use for MSM with regular partners in the last six month： the HIV/AIDS knowledge scores（ OR = 0. 60, 95% CI： O. 37-0. 97 ） , ever appear sexually transmitted disease related symptoms in the last year（ OR = 2. 18, 95% CI： 1.51-3. 16） , ever received intervention service in the last year（ OR = 0. 47, 95% CI：O. 35- 0. 64）. Conclusions The cognition about AIDS and the rates of condom use among MSM were improved obviously from 2009 to 2011. It is important to pay great attention to the existence of the high risk behavior and improvement of the rate of consistent condom use.