Table 2.
Sex-specific blood pressure status in urban black South African children aged 5 to 18 years
| Age (years) | Sex | BP status | ||
|---|---|---|---|---|
| Normotensive N (%) | Pre hypertensive N (%) | Hypertensive N (%) | ||
| 5 | M | 353 (70.2) | 52 (10.3) | 98 (19.5) |
| F | 342 (65.4) | 49 (9.4) | 132 (25.2) | |
| Total | 695 (67.8) | 101 (9.8) | 230 (22.4) | |
| 8 | M | 334 (66.3) | 44 (8.7) | 126 (25.0) |
| F | 348 (66.4) | 51 (9.7) | 125 (23.9) | |
| Total | 682 (66.3) | 95 (9.2) | 251 (24.4) | |
| 13 | M | 490 (82.9) | 63 (10.7) | 38 (6.4) |
| F | 522 (79.6) | 67 (10.2) | 67 (10.2) | |
| Total | 1015 (81.3) | 130 (10.4) | 105 (8.4) | |
| 14 | M | 502 (76.1) | 75 (11.4) | 83 (12.6) |
| F | 548 (74.9) | 92 (12.6) | 92 (12.6) | |
| Total | 1050 (75.4) | 167 (12.0) | 175 (12.6) | |
| 16 | M | 466 (59.7) | 172 (22.1) | 142 (18.2)*** |
| F | 653 (77.2) | 94 (11.1) | 99 (11.7) | |
| Total | 1119 (68.8) | 266 (16.4) | 241 (14.8) | |
| 18 | M | 552 (72.0) | 96 (12.5) | 119 (15.5) |
| F | 595 (72.2) | 98 (11.9) | 131 (15.9) | |
| Total | 1147 (72.1) | 194 (12.2) | 250 (15.7) | |
A chi square test was conducted to describe the gender differences in blood pressure status at each age category. Some proportions do not add up to 100 % because of rounding off to the nearest 0.1 percentage