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目的评估针对男男性行为人群(MSM)的干预效果,为调整干预策略提供建议。方法比较分析2006、2007和2008年3次横断面调查的MSM人群知识、行为、HIV和梅毒感染率变化趋势。结果2006、2007和2008年分别调查了1000、1044和743名MSM,研究结果显示干预后MSM人群艾滋病防治知识知晓率无明显变化,过去1年接受过咨询检测服务的比例明显上升,最近一次与男性发生肛交时安全套使用率也由2006年的56.4%上升至2008年的64.4%(χ2=9.25,P=0.002),HIV感染率呈逐年上升的趋势,由2006年的10.4%上升至2008年的17.0%(χ2=15.95,P<0.001),梅毒感染率2007年较2006年有所下降,但差异无统计学意义(χ2=0.38,P=0.54)。结论干预后MSM人群艾滋病防治知识认知水平较高,安全套使用率有所提高,但仍处于较低水平,与HIV感染率快速上升的趋势相比,防治形势严峻,开展针对MSM人群的持续有效的综合干预至关重要。
Objective To evaluate the effect of interventions on MSM in order to provide suggestions for adjusting intervention strategies. Methods The MSM population knowledge, behavior, HIV and syphilis infection rates in three cross-sectional surveys in 2006, 2007 and 2008 were compared. Results A total of 1000, 1044 and 743 MSM were investigated in 2006, 2007 and 2008, respectively. The results showed that there was no significant change in the awareness rate of AIDS prevention and treatment among MSM population after intervention, and the proportion of consultation and testing services has increased significantly in the past year. Condom use among men in anal intercourse increased from 56.4% in 2006 to 64.4% in 2008 (χ2 = 9.25, P = 0.002). The HIV prevalence rate showed an increasing trend year by year, from 10.4% in 2006 to 2008 (Χ2 = 15.95, P <0.001). The infection rate of syphilis decreased from 2007 to 2007, but the difference was not statistically significant (χ2 = 0.38, P = 0.54). Conclusions After MSM intervention, MSM population has a high level of awareness of HIV / AIDS prevention and control and an increased condom use rate, but it is still at a low level. Compared with the rapid increase of HIV infection rate, the prevention and treatment situation is severe, and the MSM population continues to be effective The comprehensive intervention is crucial.