Boys | Girls | |||||
---|---|---|---|---|---|---|
Normal body fat | High body fat | p-value | Normal body fat | High body fat | p-value | |
N (%) | 164 (84.1%) | 31 (15.9%) | 130 (81.8%) | 29 (18.2%) | ||
Age (years) | 14.6 ± 0.4 | 14.6 ± 0.4 | 0.728 | 14.5 ± 0.4 | 14.6 ± 0.4 | 0.121 |
Height (m) | 1.70 ± 0.08 | 1.71 ± 0.06 | 0.700 | 1.62 ± 0.05 | 1.65 ± 0.06 * | 0.017 |
Body mass (kg) | 59.0 ± 10.0 | 83.5 ± 13.2 *** | < 0.001 | 52.9 ± 6.7 | 74.1 ± 12.6 *** | < 0.001 |
Body mass index (kg·m−2) | 20.3 ± 2.8 | 28.5 ± 3.3 *** | < 0.001 | 20.1 ± 2.3 | 27.2 ± 4.3 *** | < 0.001 |
Waist circumference (cm) | 73.0 ± 6.4 | 92.9 ± 8.6 *** | < 0.001 | 68.3 ± 5.8 | 83.2 ± 7.8 *** | < 0.001 |
Skinfold sum (mm) | 32.8 ± 10.9 | 96.2 ± 27.2 *** | < 0.001 | 45.0 ± 11.2 | 96.1 ± 23.8 *** | < 0.001 |
Body fat (%) | 15.8 ± 3.9 | 30.0 ± 3.6 *** | < 0.001 | 24.2 ± 3.2 | 33.8 ± 3.0 *** | < 0.001 |
Grip strength (kg) | 34.6 ± 7.5 | 38.8 ± 7.6 ** | 0.005 | 25.5 ± 4.2 | 27.8 ± 4.8 ** | 0.010 |
Relative grip strength (kg·kg·BM−1) | 0.59 ± 0.09 | 0.47 ± 0.08 *** | < 0.001 | 0.48 ± 0.07 | 0.38 ± 0.08 *** | < 0.001 |
Standing long jump (cm) | 178.2 ± 22.3 | 149.2 ± 19.0 *** | < 0.001 | 133.4 ± 19.8 | 116.5 ± 14.0 *** | < 0.001 |
CMJ (cm) | 38.9 ± 5.3 | 33.5 ± 5.5 *** | < 0.001 | 30.3 ± 4.9 | 25.5 ± 4.0 *** | < 0.001 |
10 m sprint (s) | 2.10 ± 0.14 | 2.23 ± 0.15 *** | < 0.001 | 2.41 ± 0.17 | 2.47 ± 0.19 | 0.080 |
20 m sprint (s) | 3.62 ± 0.25 | 3.88 ± 0.28 *** | < 0.001 | 4.27 ± 0.30 | 4.50 ± 0.33 *** | < 0.001 |
MSFT (levels) | 6.8 ± 1.8 | 4.4 ± 1.4 *** | < 0.001 | 3.7 ± 1.1 | 2.9 ± 0.7 *** | < 0.001 |
MSFT (m) | 999 ± 371 | 553 ± 244 *** | < 0.001 | 436 ± 181 | 294 ± 116 *** | < 0.001 |
VO2max (ml·kg−1·min−1) | 45.7 ± 5.0 | 39.2 ± 3.8 *** | < 0.001 | 37.6 ± 2.9 | 35.4 ± 2.1 *** | < 0.001 |
Sit and reach (cm) | 21.0 ± 6.8 | 21.6 ± 8.0 | 0.666 | 26.3 ± 6.5 | 27.3 ± 6.2 | 0.426 |