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Table 4 Estimates of prevalence of hypertension and pre-hypertension among iranian adults 25–64 years old

From: Third national surveillance of risk factors of non-communicable diseases (SuRFNCD-2007) in Iran: methods and results on prevalence of diabetes, hypertension, obesity, central obesity, and dyslipidemia

  Pre-hypertensiona Hypertension
  National
estimateb
Prevalence
(95% CI)
National
estimateb
Prevalence
(95% CI)
Age     
   25–34 (n = 1081) 5.0 39.0 (35.3–42.8) 1.8 14.0 (11.5–17.0)
   35–44 (n = 1113) 3.6 39.8 (36.1–43.7) 2.3 25.2 (22.6–28.1)
   45–54 (n = 1069) 2.5 39.1 (35.9–42.4) 2.4 38.4 (35.0–41.9)
   55–64 (n = 970) 1.0 28.7 (25.5–32.0) 1.9 56.4 (52.4–60.3)
Sex     
   Males (n = 2121) 7.1 44.3 (41.3–47.3) 3.9 24.7 (22.1–27.4)
   Females (n = 2112) 4.9 31.9 (29.4–34.4) 4.4 28.6 (25.1–32.3)
Residential area     
   Urban (n = 2853) 8.6 38.0 (35.7–40.4) 6.3 28.2 (25.7–30.9)
   Rural (n = 1380) 3.4 38.4 (34.4–42.6) 2.0 22.6 (18.6–27.1)
Total national estimate
(n = 4233)
12.0 38.2 (36.1–40.2) 8.4 26.6 (24.4–28.9)
  1. CI: confidence interval
  2. a In non-hypertension subjects
  3. b Rounded to the nearest million
  4. Estimates are weighted for age, sex, and residential area on the basis of the population of Iran in 2006