Table 1

Physical characteristics of the subjects by sex and age (n = 1,206)
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

SD Standard Deviation, yrs years, BMI Body Mass Index, ES-r Effect size correlation.

Coelho-e-Silva et al.

Coelho-e-Silva et al. BMC Public Health 2013 13:495   doi:10.1186/1471-2458-13-495

Open Data