Objective: To understand condom use between female sex workers(FSWs) and different kinds of partners,and factors influencing condom use among FSWs.Methods: Anonymous face-to-face questionnaire survey was conducted among 521 FSWs recruited by using Respondent Driven Sampling approach in Shanghai.Results: With steady partners,regular clients and one time clients,the proportion of FSWs who always used condoms in the past one month was 24.0%,54.3% and 72.6%,respectively,and the proportion of FSWs who used condom the last time she had sex was 33.3%,73.9% and 87.3%,respectively.The main reasons f
