Table 1.
Descriptive characteristics of the included athletes at baseline.
| Variables | Athletes (n = 13) |
|---|---|
| Anthropometry | |
| Age (years) | 16.3 ± 0.4 |
| Height (cm) | 179.4 ± 7.6 |
| Weight (kg) | 63.6 ± 8.2 |
| BMI (kg/m2) | 19.7 ± 1.6 |
| FFM (kg) † | 57.4 ± 6.6 |
| Body fat (%) † | 11.5 ± 3.3 |
| Resting metabolic rate and energy availability | |
| RMR (kcal/kg/day) | 31.9 ± 2.7 |
| RMRratio | 1.03 ± 0.07 |
| EA (kcal/kg FFM/day) | 50.7 ± 15.8 |
| Disordered eating behaviors and exercise addiction | |
| BEDA-Q | 0.0 (0.0–0.0) |
| DLS | 3.8 (3.2–4.7) |
| EAI-Y | 18.0 (17.0–20.0) |
| Performance | |
| VO2peak (mL/kg/minute) | 61.5 ± 5.3 |
| Force (Newton) | 2754 ± 566 |
| Power (Watt) | 1167 ± 200 |
| Training volume (h/year) | 531 ± 36 |
Data are presented as mean ± standard deviation. Questionnaire data are presented as median (interquartile range 25–75). † measured using dual-energy X-ray absorptiometry. BEDA-Q: Brief Eating Disorder in Athletes Questionnaire; BMI: body mass index; DLS: Drive for Leanness Scale; EA: energy availability; EAI-Y: Exercise Addiction Inventory for Youth; FFM: fat-free mass; RMR: resting metabolic rate; VO2peak: peak oxygen uptake.