Abstract
Though vaginal douching is a common practice among female sex workers that could increase the risk of HIV and adverse reproductive health outcomes, it has drawn limited attention. From November 2010 to January 2011, a convenience sample of female sex workers was recruited in three cities in China. Face-to-face interviews were conducted to gather socio-demographic and behavioural information. Blood samples were collected for syphilis serological tests. Endo-cervical swabs were collected and tested for Neisseria gonorrhoeae and Chlamydia trachomatis by polymerase chain reaction. A logistic regression model was used to determine factors associated with vaginal douching and the association between vaginal douching and sexually transmitted infection. A total of 1032 eligible female sex workers were enrolled. The overall prevalence of any sexually transmitted infection (syphilis, Chlamydia trachomatis or Neisseria gonorrhoeae) and vaginal douching with disinfectant were 23.4% and 23.1%, respectively. Factors independently associated with douching practice included study sites, venue types, ethnicity, having regular partner and sexually transmitted infection history. No significant association was found between vaginal douching and current sexually transmitted infection. Vaginal douching with disinfectant after sex with clients seemed to be a prevalent practice among female sex workers in China. Prevention programmes targeting female sex workers should incorporate components about the adverse health outcomes associated with vaginal douching.
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