| Pre-hypertensiona | Hypertension | ||
---|---|---|---|---|
 | National estimateb | Prevalence (95% CI) | National estimateb | Prevalence (95% CI) |
Age | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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) |