Table 3.
Descriptive, M ±SD (n), and inferential analyses for the factor “coordination and endurance.”
| 2002 to 2005 | 2012 to 2015 | Mean difference [95% CI] | t-statistic | p | Cohen’s d [95% CI] | |
|---|---|---|---|---|---|---|
| Hurdles agility run (s) | ||||||
| U13 | 12.99 ± 0.83 (885) | 12.89 ± 0.90 (963) | 0.10 [0.02; 0.18] | 2.40 | 0.017 | 0.11 [0.02; 0.20] |
| U14 | 12.55 ± 0.80 (990) | 12.49 ± 0.87 (904) | 0.06 [–0.02; 0.14] | 1.57 | 0.118 | 0.07 [–0.02; 0.16] |
| U15 | 12.04 ± 0.73 (761) | 11.79 ± 0.67 (865) | 0.25 [0.18; 0.32] | 7.26 | < 0.001 | 0.36 [0.26; 0.46] |
| U16 | 11.56 ± 0.62 (542) | 11.41 ± 0.61 (733) | 0.15 [0.08; 0.22] | 4.31 | < 0.001 | 0.24 [0.13; 0.36] |
| U17 | 11.40 ± 0.59 (468) | 11.14 ± 0.62 (470) | 0.26 [0.18; 0.34] | 6.60 | < 0.001 | 0.43 [0.30; 0.56] |
| U18 | 11.29 ± 0.61 (258) | 11.00 ± 0.56 (273) | 0.29 [0.19; 0.39] | 5.69 | < 0.001 | 0.49 [0.32; 0.67] |
| Reaction test (ms) | ||||||
| U13 | 757 ± 101 (850) | 724 ± 88 (965) | 33 [24; 42] | 7.35 | < 0.001 | 0.35 [0.25; 0.44] |
| U14 | 693 ± 94 (956) | 668 ± 86 (905) | 24 [16; 33] | 5.83 | < 0.001 | 0.27 [0.18; 0.36] |
| U15 | 631 ± 83 (727) | 604 ± 59 (868) | 28 [20; 35] | 7.48 | < 0.001 | 0.39 [0.28; 0.48] |
| U16 | 582 ± 69 (532) | 573 ± 53 (737) | 9 [2; 16] | 2.45 | 0.014 | 0.15 [0.03; 0.25] |
| U17 | 572 ± 70 (459) | 557 ± 52 (483) | 14 [6; 22] | 3.55 | < 0.001 | 0.23 [0.10; 0.36] |
| U18 | 557 ± 60 (255) | 554 ± 51 (283) | 3 [–6; 12] | 0.62 | 0.539 | 0.05 [–0.12; 0.22] |
| Foot tapping (Hz) | ||||||
| U13 | 11.0 ± 1.0 (890) | 11.1 ± 1.1 (964) | 0.1 [0.0; 0.2] | 2.10 | 0.036 | 0.10 [0.01; 0.19] |
| U14 | 11.5 ± 1.1 (997) | 11.5 ± 1.1 (905) | 0.0 [–0.1; 0.1] | –0.25 | 0.804 | –0.01 [–0.10; 0.08] |
| U15 | 12.5 ± 1.2 (769) | 12.6 ± 1.1 (869) | 0.1 [0.0; 0.2] | 1.96 | 0.050 | 0.10 [0.00; 0.19] |
| U16 | 13.2 ± 1.1 (548) | 13.2 ± 1.1 (742) | 0.0 [–0.1; 0.1] | 0.09 | 0.930 | 0.00 [–0.11; 0.12] |
| U17 | 13.4 ± 1.2 (474) | 13.7 ± 1.1 (483) | 0.3 [0.1; 0.4] | 3.96 | < 0.001 | 0.26 [0.13; 0.38] |
| U18 | 13.6 ± 1.1 (261) | 13.9 ± 1.1 (283) | 0.3 [0.1; 0.4] | 2.67 | 0.008 | 0.23 [0.06; 0.40] |
| 20 m multi-stage endurance run (km h-1) | ||||||
| U15 | 11.79 ± 0.84 (649) | 11.92 ± 0.62 (845) | 0.13 [0.05; 0.20] | 3.18 | 0.002 | 0.17 [0.06; 0.27] |
| U16 | 11.94 ± 0.84 (534) | 12.09 ± 0.62 (732) | 0.15 [0.06; 0.23] | 3.39 | 0.001 | 0.20 [0.08; 0.30] |
| U17 | 12.06 ± 0.82 (463) | 12.20 ± 0.60 (468) | 0.14 [0.05; 0.23] | 2.99 | 0.003 | 0.20 [0.07; 0.32] |
| U18 | 12.18 ± 0.71 (252) | 12.25 ± 0.62 (273) | 0.07 [–0.04; 0.19] | 1.23 | 0.218 | 0.11 [–0.06; 0.28] |