Prevalence and risk factors for Chlamydia trachomatis infection in young women in north-west of Italy.

Aim: The aim of the study was to estimate the prevalence of Chlamydia trachomatis infection, risk factors and best predictors of infection in young sexually active women in north-west of Italy.

Methods: One thousand one hundred and eighty 18-24 years old women of family planning clinics and three STI Clinics over Turin city area underwent vaginal swabs to detect infection and completed a questionnaire. Logistic regression and multivariate analysis identified risk factors and a receiver operating characteristic (ROC) curve was used to assess the model accuracy.