Sexual behaviour in Britain: reported sexually transmitted infections and prevalent genital Chlamydia trachomatis infection

As part of the National Survey of Sexual Attitudes and Lifestyles (Natsal 2000) in Britain, estimated the frequency of self-reported sexually transmitted infections (STIs) and the prevalence of urinary Chlamydia trachomatis infection. Found substantial heterogeneity in distribution of reported STIs, and the demographic and behavioural determinants of prevalent genital chlamydial infection. Results have potentially wide application for proposed chlamydia screening programmes which, given the demonstrated prevalence, must now proactively seek to involve men. (Original abstract - amended)