Table 2.
Effects of the 9-month nutritional intervention on the energy and nutrients intake, TEE, BW and composition M ± SD
| Ballet dancers | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 3 | 6 | 9 | 0 vs. 3 | 3 vs. 6 | 0 vs. 6 | 3 vs. 9 | 6 vs. 9 | 0 vs. 9 | |
| Energy (kcal) | 1640 ± 412 | 2130 ± 503 | 2300 ± 290 | 2368 ± 182 | < 0.001 | NS | < 0.001 | 0.03 | NS | < 0.001 |
| Fat (g) | 57.0 ± 18.9 | 71.0 ± 19.7 | 72.6 ± 17.2 | 73.2 ± 15.9 | <0.001 | NS | <0.001 | NS | NS | <0.001 |
| Protein (g) | 58.8 ± 13.3 | 77.3 ± 17.5 | 82.7 ± 9.7 | 85.3 ± 9.3 | <0.001 | NS | <0.001 | NS | NS | <0.001 |
| Carbohydrate (g) | 222.8 ± 55.7 | 295.7 ± 72.0 | 328.9 ± 50.9 | 342.0 ± 33.2 | <0.001 | NS | <0.001 | 0.004 | NS | <0.001 |
| TEE (kcal/d) | 2038 ± 279 | 2170 ± 372 | 2276 ± 236 | 2292 ± 245 | NS | NS | 0.005 | NS | NS | 0.002 |
| EB (kcal/d) | −384 ± 267 | −40 ± 267 | 24 ± 111 | 75 ± 147 | NS | NS | <0.001 | NS | NS | <0.001 |
| EEE (kcal/d) | 731 ± 207 | 758 ± 315 | 737 ± 129 | 750 ± 113 | <0.001 | NS | NS | NS | NS | NS |
| EA (kcal/kg FFM/d) | 21.7 ± 7.2 | 32.8 ± 6.8 | 35.9 ± 5.5 | 37.2 ± 4.2 | 0.NS | NS | <0.001 | 0.017 | NS | <0.001 |
| BW (kg) | 52.9 ± 5.8 | 53.2 ± 5.7 | 54.4 ± 5.0 | 54.2 ± 4.7 | <0.001 | 0.001 | <0.001 | 0.003 | NS | 0.001 |
| BMI (kg/m2) | 18.9 ± 1.7 | 19.0 ± 1.7 | 19.5 ± 1.5 | 19.4 ± 1.4 | NS | 0.001 | <0.001 | 0.003 | NS | 0.001 |
| FM (%) | 18.7 ± 3.2 | 19.2 ± 3.2 | 19.5 ± 3.7 | 19.3 ± 3.3 | NS | NS | NS | NS | NS | NS |
| FM (kg) | 9.9 ± 2.2 | 10.2 ± 2.3 | 10.6 ± 2.4 | 10.5 ± 2.1 | NS | NS | NS | NS | NS | NS |
| FFM (%) | 81.3 ± 3.2 | 80.8 ± 3.2 | 80.5 ± 3.7 | 80.7 ± 3.3 | NS | NS | NS | NS | NS | NS |
| FFM (kg) | 43.0 ± 4.8 | 42.8 ± 4.6 | 43.8 ± 4.4 | 43.7 ± 4.0 | NS | 0.042 | NS | 0.040 | NS | NS |
| Female athletes | ||||||||||
| 0 | 3 | 6 | 9 | 0 vs. 3 | 3 vs. 6 | 0 vs. 6 | 3 vs. 9 | 6 vs. 9 | 0 vs. 9 | |
| Energy (kcal) | 2354 ± 539 | 2588 ± 557 | 2803 ± 387 | 2800 ± 321 | 0.041 | NS | < 0.001 | NS | NS | < 0.001 |
| Fat (g) | 92.2 ± 27.5 | 84.2 ± 20.4 | 95.0 ± 19.7 | 87.4 ± 11.1 | NS | 0.034 | NS | NS | NS | NS |
| Protein (g) | 75.6 ± 14.8 | 85.5 ± 15.6 | 90.8 ± 12.7 | 93.0 ± 10.7 | 0.004 | NS | <0.001 | 0.038 | NS | <0.001 |
| Carbohydrate (g) | 305.4 ± 78.0 | 372.2 ± 86.3 | 395.9 ± 59.8 | 410.2 ± 56.9 | <0.001 | NS | <0.001 | 0.038 | NS | <0.001 |
| TEE (kcal/d) | 2642 ± 348 | 2638 ± 421 | 2744 ± 348 | 2741 ± 328 | NS | NS | NS | NS | NS | NS |
| EB (kcal/d) | −288 ± 477 | −51 ± 224 | 59 ± 72 | 59 ± 89 | 0.002 | NS | <0.001 | NS | NS | <0.001 |
| EEE (kcal/d) | 959 ± 174 | 905 ± 337 | 898 ± 283 | 868 ± 275 | NS | NS | NS | NS | NS | NS |
| EA (kcal/kg FFM/d) | 52.9 ± 5.8 | 35.8 ± 12.3 | 41.0 ± 8.6 | 40.9 ± 8.2 | 0.011 | 0.001 | <0.001 | 0.001 | NS | <0.001 |
| BW (kg) | 59.3 ± 5.3 | 59.6 ± 5.3 | 59.5 ± 5.7 | 59.4 ± 5.8 | NS | NS | NS | NS | NS | NS |
| BMI (kg/m2) | 20.6 ± 1.4 | 20.7 ± 1.5 | 20.7 ± 1.6 | 20.6 ± 1.7 | NS | NS | NS | NS | NS | NS |
| FM (%) | 20.6 ± 3.7 | 21.0 ± 3.5 | 21.3 ± 3.4 | 21.2 ± 3.1 | NS | NS | NS | NS | NS | NS |
| FM (kg) | 12.2 ± 2.4 | 12.5 ± 2.4 | 12.7 ± 2.7 | 12.6 ± 2.5 | NS | NS | NS | NS | NS | NS |
| FFM (%) | 79.4 ± 3.7 | 79.0 ± 3.7 | 78.7 ± 3.4 | 78.8 ± 3.1 | NS | NS | NS | NS | NS | NS |
| FFM (kg) | 47.1 ± 4.9 | 47.1 ± 4.8 | 46.8 ± 4.2 | 46.8 ± 4.3 | NS | NS | NS | NS | NS | NS |
0 - before nutritional intervention, 3 – after 3 months of the nutritional intervention, 6 – after 6 month of the nutritional intervention, 9 – after 9 month of the nutritional intervention (post –study).