Characteristics of the study participants
| Boys (n=251) | Girls (n=259) | |
|---|---|---|
| Age (years) | 14.7±1.3 | 14.7±1.2 |
| Body mass index (kg/m2) | 21.1±4.1 | 21.2±3.5 |
| Cardiorespiratory fitness (mL/kg/min) | 46.1±7.4 | 37.6±5.6 |
| Systolic blood pressure (mm Hg) | 120.2±13.9 | 113.2±11.6 |
| Diastolic blood pressure (mm Hg) | 64.0±8.7 | 65.0±8.8 |
| Glucose (mg/dL) | 92.3±7.2 | 88.5±6.4 |
| Total cholesterol (mg/dL) | 153.7±26.7 | 166.9±27.6 |
| Fruits and vegetables (g/day) | 183.9±116.1 | 229.2±132.5 |
| Fish (g/day) | 19.4±23.2 | 21.9±26.3 |
| Fibre (g/day) | 20.5±22.6 | 19.8±22.2 |
| Sodium (mg/day) | 2098.4±520.9 | 2154.9±642.9 |
| Soft drinks (mL/day) | 252.1±315.8 | 182.0±277.2 |
| Moderate-vigorous PA (min/day) | 67.8±24.1 | 48.6±17.8 |
| Never smoked a cigarette (%) | 66 | 67 |
Values are means and SDs or percentage.
All dietary indicators have been scaled on a total daily energy intake of 2000 kcal.
PA, physical activity.