Fig. 2From: Trends in unprotected intercourse among heterosexual men before and after brothel ban in Siem Reap, Cambodia: a serial cross-sectional study (2003–2012)Prevalence of unprotected sex with brothel and non-brothel-based sex workers in the last six months. Brothel based sex workers: Chi-square test for trend in proportions, p < 0.001. Non-brothel based sex workers: Chi-square test for trend in proportions, p < 0.001. Numbers in graph exclude missing valuesBack to article page