Table 1. Baseline characteristics and exercise parameters of the participants.
| Boys | Girls | p | |
|---|---|---|---|
| n | 405 | 666 | - |
| Smokers (%) | 13.3 | 2.4 | - |
| Age (years) | 12.8±0.3 | 12.9±0.3 | 0.028 |
| SBP (mmHg) | 110.9 ±10.5 | 108.6 ±11.9 | 0.001 |
| DBP (mmHg) | 68.9 ±10.6 | 66.6 ±10.4 | 0.001 |
| Pulse rate (beats/min) | 85.6 ± 14.1 | 90.0 ±13.2 | <0.001 |
| Height (cm) | 150.6 ±9.2 | 150.9 ±6.2 | 0.455 |
| Weight (kg) | 45.7±14.5 | 45.1±11.5 | 0.488 |
| BMI (kg/m2) | 19.9 ±5.4 | 19.7 ± 4.3 | 0.353 |
| BMI z-score | 0.2 ± 1.6 | 0.02 ± 1.4 | 0.060 |
| Body fat (%) | 18.9 ± 14.6 | 25.6 ±10.1 | <0.001 |
| WC(cm) | 70.6 ± 12.9 | 67.5 ± 9.8 | <0.001 |
| WHtR | 0.47 ±0.08 | 0.45 ±0.06 | <0.001 |
| Peak heart rate (beats/min) | 177.6 ± 14.5 | 185.8 ± 11.9 | <0.001 |
| Heart rate at 1 min rest (beats/min) | 126.8 ± 19.6 | 144.7 ± 15.5 | <0.001 |
| Heart Rate at 2 min rest (beats/min) | 115.1 ± 17.8 | 131.3 ± 14.6 | <0.001 |
| HRR 1 min | 50.8 ± 13.6 | 41.0 ± 11.9 | <0.001 |
| HRR 2 min | 62.6 ± 12.8 | 54.5 ± 11.9 | <0.001 |
Data are mean ± SD. % = percentage SBP = Systolic blood pressure, DBP = Diastolic blood pressure, HRR = Heart rate recovery, BMI = Body mass index, WC = waist circumference, WHtR = Waist height ratio