Table 1. Distribution of the demographic variables and training characteristics, as per sports modality.
| Modality | n | Age (years)mean±SD | BMI (kg/m2) mean±SD | Start of training (age in years) mean±SD | Training/week (hours) mean±SD |
|---|---|---|---|---|---|
| Track and field | 21 | 14.8±2.0 | 19.9±3.3 | 12.6±1.4 | 14.2±4.9 |
| Basketball | 12 | 16.1±0.9 | 22.3±3.6 | 10.3±1.1 | 12.0±0.0 |
| Boxing | 4 | 14.5±1.9 | 24.6±4.8 | 14.3±1.7 | 9.1±3.3 |
| Soccer | 44 | 16.3±2.2 | 21.5±1.7 | 13.5±2.5 | 12.0±3.9 |
| Handball | 48 | 14.9±1.5 | 22.2±2.4 | 12.1±1.5 | 9.6±3.0 |
| Judo | 6 | 15.8±3.3 | 20.6±4.2 | 9.3±2.8 | 10.0±.0 |
| Wrestling | 7 | 16.0±1.3 | 23.3±2.9 | 15.0±1.2 | 8.6±2.9 |
| Swimming | 6 | 13.7±1.2 | 19.2±2.0 | 11.3±3.4 | 3.5±0.0 |
|
| |||||
| Total | 148 | 15.4±2.0 | 21.6±2.8 | 12.6±2.3 | 10.9±4.0 |
BMI: body mass index; SD: standard deviation.