Fig. 1From: Relationships between changes in HIV risk perception and condom use in East Zimbabwe 2003–2013: population-based longitudinal analysesTrends in reporting of perceiving a risk for HIV infection (a), trends in condom use during last sex (b), and proportions of increase in condom use between surveys among participants with different patterns of change in perceiving a risk for HIV infection (no change; increase; decrease) (c), among HIV-negative, sexually active males and females (15–54 years), Manicaland, Zimbabwe, 2003–2013. Error bars indicate 95% confidence intervals. Grey areas in (a) and (b) indicate duration of surveysBack to article page