Demographic and clinical characteristics of MSM and heterosexuals with Chlamydia trachomatis infection, STI outpatient clinic, Amsterdam, July 2008–May 2010.

MSM: men who have sex with men; MSMO: men who have sex with men only; MSMW: men who have sex with men and women; MSWO: men who have sex with women only; STI: sexually transmitted infections; IQR: interquartile range.aData were missing for 4 MSM.bData were missing for 9 MSM and 9 heterosexuals.cData were missing for 6 MSM.dData were missing for 10 MSM and 2 heterosexuals.