Table 2.
Mean (SE) Systolic and diastolic blood pressure (mm Hg) by age group and locality
| Rural (n = 213) | Semi-urban (n = 296) | Urban (658) | |||||||
| Age (y) | n | Systolic BP | Diastolic BP | n | Systolic BP | Diastolic BP | n | Systolic BP | Diastolic BP |
| 8 | 18 | 86.0 (2.4) | 51.0 (1.7) | 32 | 96.3 (1.5) | 59.8 (1.4) | 28 | 97.9 (1.6) | 59.9 (1.4) |
| 9 | 13 | 94.1 (2.7) | 57.8 (1.8) | 24 | 103.5 (1.5) | 65.8 (1.5) | 25 | 98.6 (1.4) | 59.8 (1.8) |
| 10 | 20 | 98.4 (2.3) | 62.2 (1.7) | 27 | 101.4 (2.1) | 64.0 (1.5) | 29 | 97.4 (2.3) | 58.4 (2.1) |
| 11 | 31 | 100.4 (1.9) | 61.5 (1.5) | 34 | 104.3 (1.6) | 66.0 (1.6) | 26 | 103.2 (1.9) | 66.8 (1.6) |
| 12 | 29 | 103.5 (2.6) | 64.4 (1.9) | 34 | 108.7 (2.1) | 66.4 (1.5) | 68 | 102.6 (1.1) | 60.7 (0.9) |
| 13 | 30 | 105.6 (1.7) | 63.5 (1.4) | 32 | 109.4 (1.7) | 68.4 (1.2) | 140 | 105.7 (1.0) | 61.5 (1.0) |
| 14 | 33 | 107.5 (2.0) | 62.2 (1.0) | 48 | 111.9 (1.8) | 67.6 (1.2) | 197 | 109.6 (1.2) | 63.9 (0.6) |
| 15 | 22 | 114.5 (2.6) | 65.9 (1.7) | 37 | 111.2 (1.8) | 65.3 (1.4) | 104 | 115.9 (1.6) | 66.4 (1.1) |
| 16 | 18 | 115.7 (2.3) | 68.4 (1.9) | 28 | 113.4 (1.7) | 66.9 (1.5) | 41 | 115.1 (1.4) | 66.4 (1.2) |
| P value | <0.0001 | <0.001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |||
P value for linear regression