Table 5.
Age-adjusted means (standard errors are given in parentheses) by stage of maturity within age groups and ANCOVA results with decimal age, body height, and body mass as covariates.
| Variable | Under 13 | F(p) | η2 | Under 14 | F(p) | η2 | Under 15 | F(p) | η2 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Early (n = 113) | Average (n = 120) | Early (n = 186) | Average (n = 178) | Early (n = 91) | Average (n = 130) | |||||||
| Standing reach (cm) | 226.7 (0.7) | 226.8 (0.7) | 0.35 (ns) | – | 236.3 (0.7) | 235.4 (0.7) | 2.03 (ns) | – | 243.0 (0.8) | 243.5 (0.7) | 0.88 (ns) | – |
| 5 m (s) | 1.159 (0.017) | 1.200 (0.017) | 3.73 (*) | 0.03 | 1.150 (0.011) | 1.136 (0.012) | 0.50 (ns) | – | 1.124 (0.010) | 1.141 (0.008) | 0.50 (ns) | – |
| 10 m (s) | 1.972 (0.022) | 2.030 (0.023) | 5.13 (**) | 0.04 | 1.931 (0.015) | 1.912 (0.015) | 0.75 (ns) | – | 1.892 (0.020) | 1.895 (0.015) | 0.20 (ns) | – |
| 20 m (s) | 3.453 (0.036) | 3.534 (0.036) | 5.26 (**) | 0.04 | 3.321 (0.024) | 3.286 (0.023) | 0.42 (ns) | – | 3.234 (0.031) | 3.234 (0.024) | 0.09 (ns) | – |
| Agility—S1 (s) | 1.617 (0.026) | 1.607 (0.026) | 0.15 (ns) | – | 1.551 (0.021) | 1.563 (0.021) | 0.20 (ns) | – | 1.542 (0.024) | 1.560 (0.019) | 1.38 (ns) | – |
| Agility—S2 (s) | 5.236 (0.113) | 5.712 (0.115) | 4.68 (*) | 0.04 | 5.333 (0.061) | 5.272 (0.061) | 0.60 (ns) | – | 5.213 (0.107) | 5.187 (0.084) | 1.69 (ns) | – |
| Agility—S3 (s) | 7.087 (0.115) | 7.526 (0.117) | 6.99 (**) | 0.06 | 7.072 (0.075) | 7.013 (0.074) | 0.70 (ns) | – | 6.861 (0.107) | 6.945 (0.084) | 1.25 (ns) | – |
| Agility—S4 (s) | 9.402 (0.149) | 9.781 (0.152) | 4.67 (*) | 0.04 | 9.241 (0.105) | 9.141 (0.104) | 2.36 (ns) | – | 8.929 (0.136) | 9.065 (0.107) | 0.70 (ns) | – |
| Agility—S5 (s) | 12.778 (0.191) | 13.336 (0.195) | 6.26 (**) | 0.05 | 12.528 (0.130) | 12.410 (0.129) | 1.93 (ns) | – | 12.095 (0.169) | 12.272 (0.133) | 1.22 (ns) | – |
| AgilityTotal (s) | 14.672 (0.217) | 15.247 (0.221) | 6.37 (**) | 0.05 | 14.341 (0.148) | 14.191 (0.146) | 2.02 (ns) | – | 13.840 (0.188) | 14.021 (0.148) | 1.41 (ns) | – |
| SVJmax (cm) | 270.8 (1.3) | 267.7 (1.3) | 3.46 (*) | 0.03 | 285.0 (1.0) | 284.5 (1.0) | 1.30 (ns) | – | 293.1 (1.4) | 294.3 (1.1) | 0.86 (ns) | – |
| VJmax (cm) | 284.1 (1.5) | 280.0 (1.5) | 6.94 (**) | 0.06 | 297.2 (1.3) | 297.7 (1.2) | 0.70 (ns) | – | 309.7 (1.7) | 312.2 (1.3) | 2.54 (ns) | – |
| SVJ (cm) | 44.1 (1.2) | 40.8 (1.2) | 5.13 (*) | 0.04 | 48.7 (0.9) | 49.1 (0.9) | 0.36 (ns) | – | 50.1 (1.3) | 50.8 (1.0) | 1.94 (ns) | – |
| VJ (cm) | 57.4 (1.5) | 53.1 (1.5) | 5.89 (**) | 0.05 | 60.9 (1.2) | 62.3 (1.2) | 9.87 (***) | 0.05 | 66.7 (1.6) | 68.9 (1.2) | 7.54 (**) | 0.07 |
| Yo-Yo distance (m) | 1146 (78) | 939 (80) | 3.14 (*) | 0.03 | 1334 (67) | 1389 (66) | 4.87 (**) | 0.03 | 1374 (110) | 1437 (87) | 3.87 (*) | 0.03 |
| Yo-Yo VO2max (ml/kg/min) | 46.0 (0.7) | 44.3 (0.7) | 3.13 (*) | 0.03 | 47.6 (0.6) | 48.1 (0.6) | 4.88 (**) | 0.03 | 47.9 (0.9) | 48.5 (0.7) | 3.86 (*) | 0.03 |
S1–S5 stages, SVJ standing vertical jump, VJ vertical jump, ns nonsignificant difference.
*p < 0.05, **p < 0.01, ***p < 0.001.