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目的评价针对女性性服务者开展连续3年预防艾滋病行为干预的效果。方法在重庆市S区开展女性性服务者的综合干预,基线调查和终末调查分别于2006年和2009年进行,通过在不同档次的娱乐场所采用分层抽样和方便样本结合方法,两次调查分别抽取400、402名调查对象。收集关于艾滋病知识、行为状况和接受干预状况等数据,评价干预效果。结果经过连续3年的干预,女性性服务者艾滋病知识知晓率从2006年50.5%上升到2009年86.6%(χ2=121.04,P<0.01),最近1次与客人发生性行为安全套使用率从77.5%上升到91.3%(χ2=28.99,P<0.01),最近1个月与客人发生性行为坚持使用安全套比例从22.8%上升到56.2%(χ2=93.96,P<0.01),接受干预服务比例从5.8%上升到83.8%(χ2=494.11,P<0.01),接受咨询检测比例从1.8%上升到67.2%(χ2=379.46,P<0.01)。结论针对女性性服务者的连续行为干预促进了目标人群艾滋病知识的掌握和安全性行为的采用,该人群艾滋病预防工作取得一定效。
Objective To evaluate the effect of three consecutive years of AIDS prevention behavioral interventions on female sex workers. Methods Comprehensive interventions for female sex workers in S district of Chongqing were carried out. The baseline survey and the final survey were carried out in 2006 and 2009 respectively. Through stratified sampling and convenient sample combination methods in different grades of entertainment venues, two surveys Separately draw 400,402 survey respondents. Collect data on HIV / AIDS knowledge, behavioral status and status of interventions and evaluate the effectiveness of interventions. Results After three consecutive years of intervention, the awareness rate of HIV / AIDS among female sex workers increased from 50.5% in 2006 to 86.6% in 2009 (χ2 = 121.04, P <0.01). The rate of condom use for the last sex with clients increased from 77.5% % Increased to 91.3% (χ2 = 28.99, P <0.01). The percentage of condom users who used to stay with their clients during the recent 1 month increased from 22.8% to 56.2% (χ2 = 93.96, P <0.01) 5.8% to 83.8% (χ2 = 494.11, P <0.01). The percentage of counseling and testing increased from 1.8% to 67.2% (χ2 = 379.46, P <0.01). Conclusions Continuous behavioral interventions targeting female sex workers promote the use of AIDS-related knowledge and safe sex in targeted populations, and AIDS prevention has achieved some success.