靖江市2006—2011年女性性服务者哨点监测结果分析

HIV sentinel surveillance among female sex workers in Jingjiang city,2006-2011

目的分析江苏省靖江市女性性服务者艾滋病相关行为变化及艾滋病病毒(HIV)感染流行趋势,为艾滋病综合防治和科学干预提供科学依据。方法 2006—2011年连续进行暗娼综合监测,在监测期内以重复横断面调查的方法对社区娱乐场所及街头的暗娼人群进行问卷调查并采血,每年的样本量约为400人。结果 6年间共监测女性性服务者2407人,HIV和梅毒感染率分别为0～0.2%(1/406)和0～4.5%(17/381);最近1个月商业性行为坚持使用安全套的比例为71.8%(293/408)～86.3%(341/395);吸毒比例为0.2%(1/407)～7.6%(31/408),呈逐年升高的趋势(Z=6.65,P<0.0001);艾滋病知晓率为89.2%(340/381)～94.3%(384/407);艾滋病干预覆盖率为64.3%(245/381)～96.8%(395/408),呈逐年升高趋势(Z=15.04,P<0.000 1);近1年参加过HIV检测且知道检测结果的比例为30.6%(121/395)～74.1%(304/410),呈逐年升高趋势(Z=14.42,P<0.0001)。结论靖江市女性性服务者商业性行为坚持使用安全套的比例有待进一步提高;其HIV感染率总体较低,但吸毒等高危行为有上升趋势,需不断进行干预和综合防治工作。

Objective To analyze the time trend of behaviors change related to human immunodeficiency virus/acquired immunodeficiency syndrom（HIV/AIDS） epidemic and to provide basis for comprehensive HIV infection prevention among female sex workers （FSWs）. Methods From 2006 through 2011, continuous cross-sectional surveys were conducted among FSWs in communities recruited at entertainment places and in street. Approximate 400 blood samples were collected each year to test for HIV infection and syphilis. Results A total of 2 407 eligible FSWs completed questionnaires and blood tests. The prevalence of HIV infection and syphilis was 0 - 0. 2% and 0 - 4. 5%, respectively. Among the FSWs,71.8% -86. 3% used condom all the time in commercial sex during the latest month. The awareness rate of HIV/AIDS transmission in the FSWs was 89.2% -94. 3%. The proporton of the FSWs with drug use history was 0. 2% -7.7% and the proportion was increasing （Z = 6. 65,P 〈 0. 000 1 ）. There were 64. 3 % -96. 8% and 30. 6% - 74. I% of the FSWs attending HIV testing and intervention services in the latest year,respectively, and the proportions showed a increasing trend. Conclusion Condom use rate needs to be enhanced among FSWs. HIV prevalence rate among FSWs in Jingjiang city is generally low ,but high risk behaviors are still prevalent. More comprehensive and effective prevention measures and intervention should be promoted.