Prevalence of hypertension and associated risk factors in Isfahan, Islamic Republic of Iran.

A population-based cross-sectional survey was conducted to determine the mean levels of blood pressure and prevalence rates of hypertension and to identify differences in the prevalence of other risk factors in hypertensive and nonhypertensive people. A total of 8624 men and women > or = 19 years were randomly selected. Overall, 18.0% (16.8% males and 19.4% females) had systemic hypertension. The mean levels of systolic and diastolic blood pressure and the prevalence of hypertension increased with age, but no significant differences were found between the sexes when adjusted for body mass index. There was a high prevalence of obesity, hyperlipidaemia and diabetes mellitus among hypertensive people compared with nonhypertensive. Our study suggests that the prevalence of hypertension in Isfahan is greater than supposed.