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目的了解云南省蒙自市女性性工作者(FSWs)艾滋病病毒(HIV)的感染情况及HIV感染相关危险因素,为制定艾滋病防控策略和行为干预提供依据。方法于2010年10-11月采用方便抽样的方法,招募云南省红河州蒙自市娱乐场所FSWs,调查其社会人口统计学、行为学、HIV/AIDS知识以及生殖健康状况,并采集静脉血进行HIV血清学检测,分析FSWs人群HIV感染率及其危险因素。结果本次共调查423名FSW,HIV抗体阳性19人,HIV抗体阳性率为4.5%。最近一个月与客人发生性行为时坚持使用安全套的比例为87.0%。多因素分析显示,与HIV感染相关的危险因素为在低档性服务场所服务(校正OR=10.0,95%CI:3.77~26.67,P<0.001)和从事性服务时间≥2年(校正OR=3.8,95%CI:1.39~10.20,P=0.01)。结论蒙自市FSWs有较高的HIV感染率,在低档性服务场所服务及从事性服务时间长是HIV感染的危险因素,需针对低档和中高档FSWs的危险行为特征分别实施不同的干预措施,控制HIV的传播流行。
Objective To understand the HIV status and risk factors related to HIV infection among female sex workers (FSWs) in Mengzi City of Yunnan Province, and provide a basis for the development of AIDS prevention and control strategies and behavioral interventions. Methods From October to November 2010, FSWs were enrolled in entertainment venues in Mengzi City, Honghe Prefecture, Yunnan Province by means of a convenient sampling method to investigate their social demography, behavior, HIV / AIDS knowledge and reproductive health status, and collect venous blood HIV serology detection, HIV prevalence in FSWs population and its risk factors. Results A total of 423 FSW were investigated, 19 were HIV-positive and the HIV-positive rate was 4.5%. The proportion of condom users insisting on condom use during the recent month was 87.0%. Multivariate analysis showed that the risk factors associated with HIV infection were low-grade sexual service (OR = 10.0, 95% CI: 3.77-26.67, P <0.001) and sexual service years ≥ 2 years , 95% CI: 1.39 to 10.20, P = 0.01). Conclusions There is a high HIV infection rate in Mengzi FSWs. The risk factors of HIV infection in low-grade sexual service places and long service hours are different. Different interventions should be implemented according to the dangerous behavior characteristics of low-grade and middle-grade FSWs, Control the spread of HIV.