Substantial increases in chlamydia and gonorrhea positivity unexplained by changes in individual-level sexual behaviors among men who have sex with men in an australian sexual health service from 2007 to 2013

Abstract

To determine the risk-adjusted temporal trend of gonorrhea and chlamydia positivity and associated risk behaviors among men who have sex with men (MSM) attending a sexual health clinic in Melbourne in Australia. METHODS: Gonorrhea and chlamydia positivity by anatomical site adjusted for year of test, age, number of sexual partners, and condom use among MSM attending Melbourne Sexual Health Centre from 2007 to 2013 were calculated using generalized estimating equation regression models. RESULTS: A total of 12,873 MSM were included with a median age of 30.0 years. The proportion with pharyngeal, urethral, and anal gonorrhea was 1.7%, 2.3%, and 2.9%, respectively. The adjusted odds of gonorrhea..