Fig. 3From: High prevalence of hypertension and of risk factors for non-communicable diseases (NCDs): a population based cross-sectional survey of NCDS and HIV infection in Northwestern Tanzania and Southern UgandaObserved population prevalence of chronic diseases (age 18+ years) with 95Â % confidence interval, for 3 study populations (a, Municipalities; b, District towns; c Rural areas)Back to article page