Table 2.
Means, standard deviations (SD), and sample size (N) of main variables.
| Male (n = 2186) | Female (n = 880) | t | Value (p) | |||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| BMI_Y1 kg/m2, mean (sd) | 22.65 | 3.54 | 21.68 | 2.40 | 7.47 | (p < 0.001) |
| BMI_Y2 kg/m2, mean (sd) | 22.53 | 2.60 | 22.22 | 2.25 | 3.14 | (p = 0.002) |
| BMI_Y3 kg/m2, mean (sd) | 22.78 | 2.82 | 21.73 | 2.73 | 9.39 | (p < 0.001) |
| BMI_Y4 kg/m2, mean (sd) | 22.98 | 2.88 | 21.78 | 2.34 | 10.91 | (p < 0.001) |
| Power_Y1 cm, mean (sd) | 219.63 | 17.20 | 162.71 | 16.03 | 84.50 | (p < 0.001) |
| Power_Y2 cm, mean (sd) | 220.59 | 17.96 | 163.89 | 14.94 | 82.83 | (p < 0.001) |
| Power_Y3 cm, mean (sd) | 220.32 | 17.80 | 163.60 | 15.04 | 83.32 | (p < 0.001) |
| Power_Y4 cm, mean (sd) | 223.18 | 17.65 | 167.16 | 15.30 | 82.51 | (p < 0.001) |
| Flexibility_Y1 cm, mean (sd) | 12.70 | 6.56 | 14.81 | 5.98 | −8.27 | (p < 0.001) |
| Flexibility_Y2 cm, mean (sd) | 13.73 | 6.07 | 15.50 | 5.48 | −7.52 | (p < 0.001) |
| Flexibility_Y3 cm, mean (sd) | 14.23 | 5.82 | 17.68 | 5.61 | −14.98 | (p < 0.001) |
| Flexibility_Y4 cm, mean (sd) | 14.54 | 5.81 | 17.75 | 5.64 | −13.98 | (p < 0.001) |
| Endurance_Y1 km/h, mean (sd) | 16.09 | 1.60 | 13.26 | 1.19 | 47.60 | (p < 0.001) |
| Endurance_Y2 km/h, mean (sd) | 16.22 | 1.56 | 13.29 | 1.17 | 50.43 | (p < 0.001) |
| Endurance_Y3 km/h, mean (sd) | 14.97 | 1.73 | 12.17 | 1.35 | 42.86 | (p < 0.001) |
| Endurance_Y4 km/h, mean (sd) | 14.67 | 1.77 | 11.86 | 1.36 | 42.18 | (p < 0.001) |
Note: Y1 = first year test; Y2 = second year test; Y3 = third year test; Y4 = fourth year test.