Data analysis of HIV prevalence and related behaviors among female sex workers in Baoshan of Yunnan Province from 2007 to 2011

Objective To understand the trend of behavioral changes related to HIV/AIDS epidemic and HIV prevalence from 2007 to 2011,and to provide information and basis for comprehensive HIV prevention and intervention among female sex workers(FSWs)in Baoshan of Yunnan Province.Methods From 2007 to 2011,a series of cross-sectional surveys were conducted among FSWs in the community who were recruited in entertainment places and at street.during the defined time frame.A face-to-face interview was conducted with uniformed questionnaire while venous blood specimens were collected.The following indicators were included in the survey: AIDS related knowledge,commercial sex behaviors,HIV testing history and results of HIV laboratory test.Results From 2007 to 2011,1 080,1 082,1 200,1 405 and 1 409 samples were collected from FSWs in the respective years.The HIV prevalence was 1.20%(13/1 080),1.11%(12/1 082),0.58%(7/1 200),0.93%(13/1 405) and 0.50%(7/1 409) respectively.The target subjects who used condom in the last commercial sex was 94.4%,96.1%,96.8%,92.1% and 94.3%.The rate of consistently using condom in commercial sex during the last month was 80.6%,84.7%,89.9%,77.0% and 87.4%.The awareness rate of HIV/AIDS transmission among FSWs was 69.46%,73.35%,94.96%,93.46% and 96.19%.Conclusion Condom use is at a high level and HIV awareness rate is increased among FSWs,and HIV prevalence rate is generally low,The proportion of FSWs who attend VCT and know their HIV testing result are still alarming.It is necessary to tell them the results and at the same time to expand HIV detection.Epidemiological survey and effective interventions among them need to be further explored.