Incidence and risk factors associated with chlamydia in men who have sex with men: A cohort analysis of Victorian Primary Care Network for Sentinel Surveillance data

Abstract

Background: Chlamydia is the most commonly notified sexually transmitted infection (STI) in Australia. Incidence studies of chlamydia in men who have sex with men (MSM) are rare and offer important public health information. Objective: To determine chlamydia incidence in MSM presenting at high caseload clinics and describe predictors of infection. Methods: The Victorian Primary Care Network for Sentinel Surveillance of bloodborne viruses and STIs (VPCNSS) links testing, demographic and behavioural data from individual testers at participating clinics. Data from MSM with more than one chlamydia test at the VPCNSS site between April 2006 and June 2010 were included. Chlamydia incidence per 100..