Table 1.
Characteristics of the population
| Characteristic | Girls | Boys |
| No. of participants | 3982 | 3926 |
| Mean age, years (SD) | 15.9 (1.65) | 15.9 (1.64) |
| Mean systolic blood pressure, mmHg (SD) | 119.6 (10.60) | 125.1 (12.73) |
| Mean diastolic blood pressure, mmHg (SD) | 63.6 (7.63) | 65.2 (8.37) |
| Mean weight, kg (SD) | 58.9 (10.25) | 64.8 (13.55) |
| Mean height, cm (SD) | 165.5 (6.33) | 174.3 (9.48) |
| Mean BMI, kg/m2 (SD) | 21.4 (3.30) | 21.2 (3.25) |
| Mean waist circumference, cm (SD) | 70.5 (8.00) | 75.7 (8.77) |
| Percent overweight | 15.7 | 15.8 |
| Percent obese | 2.8 | 2.9 |