Age, years | Variables | Boys | Girls | F | p | ES-r |
---|---|---|---|---|---|---|
Mean ± SD | Mean ± SD | |||||
11.0-11.9 yrs | % Predicted mature stature | 83.4 ± 3.6 | 90.7 ± 2.7 | 229.567 | 0.000 | 0.755 |
Males, n = 92 | Body mass, kg | 41.6 ± 9.3 | 41.7 ± 7.9 | 0.015 | 0.902 | 0.000 |
Females, n = 83 | Stature, cm | 146.3 ± 6.5 | 147.9 ± 6.7 | 2.656 | 0.105 | 0.122 |
BMI, kg/m2 | 19.3 ± 3.4 | 19.0 ± 2.9 | 0.374 | 0.541 | 0.045 | |
Body fat, % | 24.0 ± 10.0 | 23.2 ± 7.4 | 0.346 | 0.557 | 0.045 | |
20-m shuttle run test, laps | 31.3 ± 13.9 | 22.6 ± 8.6 | 23.479 | 0.000 | 0.335 | |
12.0–12.9 yrs | % Predicted mature stature | 87.0 ± 2.5 | 95.0 ± 3.0 | 521.255 | 0.000 | 0.823 |
Males, n = 129 | Body mass, kg | 48.5 ± 12.0 | 50.7 ± 11.6 | 2.152 | 0.144 | 0.095 |
Females, n = 121 | Stature, cm | 152.5 ± 8.3 | 154.8 ± 7.0 | 5.989 | 0.015 | 0.155 |
BMI, kg/m2 | 20.6 ± 4.0 | 21.0 ± 4.0 | 0.524 | 0.470 | 0.045 | |
Body fat, % | 24.0 ± 11.8 | 24.9 ± 8.6 | 0.461 | 0.498 | 0.045 | |
20-m shuttle run test, laps | 33.6 ± 16.5 | 22.1 ± 9.8 | 43.486 | 0.000 | 0.386 | |
13.0-13.9 yrs | % Predicted mature stature | 90.9 ± 2.9 | 97.0 ± 1.6 | 461.777 | 0.000 | 0.787 |
Males, n = 143 | Body mass, kg | 53.9 ± 13.0 | 52.4 ± 9.3 | 1.382 | 0.241 | 0.071 |
Females, n = 143 | Stature, cm | 160.1 ± 8.7 | 157.3 ± 5.7 | 10.488 | 0.001 | 0.190 |
BMI, kg/m2 | 20.8 ± 3.8 | 21.1 ± 3.5 | 0.415 | 0.520 | 0.032 | |
Body fat, % | 21.1 ± 9.1 | 24.0 ± 6.9 | 8.844 | 0.003 | 0.173 | |
20-m shuttle run test, laps | 36.3 ± 17.3 | 25.0 ± 12.8 | 39.230 | 0.000 | 0.348 | |
14.0-14.9 yrs | % Predicted mature stature | 94.2 ± 2.6 | 98.7 ± 1.0 | 297.312 | 0.000 | 0.745 |
Males, n = 120 | Body mass, kg | 57.9 ± 12.8 | 56.3 ± 9.6 | 1.222 | 0.270 | 0.071 |
Females, n = 120 | Stature, cm | 165.0 ± 8.2 | 159.2 ± 5.1 | 43.564 | 0.000 | 0.394 |
BMI, kg/m2 | 21.1 ± 3.7 | 22.2 ± 3.8 | 5.176 | 0.024 | 0.145 | |
Body fat, % | 19.9 ± 8.1 | 27.5 ± 8.9 | 46.756 | 0.000 | 0.405 | |
20-m shuttle run test, laps | 41.0 ± 20.1 | 21.8 ± 9.0 | 89.491 | 0.000 | 0.522 | |
15.0-15.9 yrs | % Predicted mature stature | 97.2 ± 1.7 | 99.4 ± 0.6 | 161.914 | 0.000 | 0.624 |
Males, n = 142 | Body mass, kg | 63.4 ± 13.8 | 59.1 ± 11.7 | 7.011 | 0.009 | 0.164 |
Females, n = 113 | Stature, cm | 170.1 ± 7.7 | 161.6 ± 5.8 | 95.636 | 0.000 | 0.523 |
BMI, kg/m2 | 21.8 ± 4.2 | 22.6 ± 4.1 | 2.154 | 0.143 | 0.089 | |
Body fat, % | 20.0 ± 9.2 | 27.5 ± 8.7 | 44.278 | 0.000 | 0.386 | |
20-m shuttle run test, laps | 40.9 ± 19.8 | 23.2 ± 10.3 | 74.732 | 0.000 | 0.477 |