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Table 2 Comparison of mean SBP and DBP in males and females by age groups for urban and rural population

From: Pattern of blood pressure distribution and prevalence of hypertension and prehypertension among adults in Northern Ethiopia: disclosing the hidden burden

Residence Sex Age n (%) SBP+/_SD 95% CI DBP+/_SD 95% CI
Urban Female 18–29 268 (22.6%) 114.0+/−13.0 112.5–115.6 74.2+/−8.7 73.2–75.3
30–49 112 (9.5%) 117.6+/−15.0 115.1–120.9 77.0+/−9.3 75.3–78.8
≥ 50 100 (8.4%) 134.5+/−25.0 130.3–140.4 81.5+/−16.3 78.3–84.7
All 480 (40.5%) 119.0+/−18.3 117.7–121.1 76.3+/−11.1 75.4–77.4
Male 18–29 132 (11.1%) 114.6+/−11.0 112.5–116.3 75.8+/−9.2 74.2–77.4
30–49 46 (3.9%) 120.6+/−15.1 115.5–124.0 78.6+/−9.9 75.5–81.6
≥ 50 39 (3.3%) 136.7+/−24.8 127.1–142.9 81.7+/−16.3 76.4–86.9
All 219 (18.3) 120.1+/−17.1 117.0–121.5 77.5+/−11.0 75.9–78.9
  Total   697 (58.9%) 119.4+/−18.0 118.0–120.7 76.7+/−11.1 75.9–77.6
Rural Female 18–29 152 (12.85%) 107.5+/−12.4 105.6–109.6 74.3+/−8.6 72.9–75.7
30–49 78 (6.6%) 115.9+/−14.0 114.7–121.9 78.2+/−8.7 76.2–80.2
≥ 50 39 (3.3%) 120.0+/−19.8 111.5–123.1 75.8+/−9.4 73.0–79.3
All 269 (22.75%) 111.7+/−15.0 110.2–113.9 75.6+/−8.9 72.9–83.8
Male 18–29 100 (8.4%) 114.8+/−14.9 114.1–117.8 77.1+/−7.9 75.5–78.7
30–49 82 (7.0%) 116.9+/−13.8 113.9–119.9 79.6+/−9.6 77.9–82.2
≥ 50 35 (3.0%) 118.0+/−17.1 109.8–121.9 78.3+/−11.3 72.5–80.3
All 217 (18.3%) 116.2+/−15.0 114.6–118.0 78.2+/−9.2 76.9–80.0
  Total   486 (41.1′%) 113.9+/−14.3 112.7–115.2 76.8+/−9.1 75.9–77.6
Total Male and female 18–29 654 (55.3%) 112.7+/−13.1 111.7–113.7 75.0+/−8.7 74.3–75.7
30–49 304 (25.7%) 117.5+/−14.5 115.9–119.2 78.1+/−9.4 77.1–79.2
≥ 50 225 (19.0%) 128.9+/−23.9 125.7–132.0 79.8+/−14.2 77.9–81.7
Male All 443 (37.4%) 118.1+/−16.4 116.6–119.6 77.8+/−10.1 76.8–78.8
Female All 740 (62.6%) 116.4+/−17.6 115.1–117.6 76.1+/−10.4 75.4–76.9
   All 1183 (100%) 117.1+/−16.8 116.2–118.1 76.7+/−10.3 76.1–77.3