Table 3.
Adjusted post-test values of anthropometrics, body composition physical fitness, cognitive and academic performances.
| Variables | ESC | RC | Δ % | P-value (d) | |||
|---|---|---|---|---|---|---|---|
| M | SD | M | SD | ||||
| Anthropometrics, body composition | Body height [cm] | 148.3 | 6.3 | 149.6 | 7.5 | 1 | <0.01 (1.23) |
| Body mass [kg] | 37.1 | 7.9 | 48.1 | 15.6 | 23 | <0.05 (0.80) | |
| Body Mass Index [kg/m2] | 17.3 | 2.9 | 20.7 | 4.8 | 16 | <0.05 (0.79) | |
| Relative skeletal muscle mass [%] | 45.5 | 3.5 | 41.7 | 5.0 | 4 | n.s. | |
| Relative body fat mass [%] | 14.6 | 7.1 | 22.1 | 10.0 | 8 | n.s. | |
| Physical fitness | 20-m sprint [s] | 4.1 | 0.2 | 4.5 | 0.4 | 9 | <0.05 (0.77) |
| 1-kg ball push [m] | 5.1 | 0.8 | 5.1 | 0.8 | 0 | n.s. | |
| Standing long jump [m] | 1.6 | 0.1 | 1.4 | 0.2 | 13 | <0.05 (0.90) | |
| Star agility run [s] | 19.0 | 1.4 | 20.6 | 1.9 | 8 | <0.05 (0.77) | |
| Stand-and-reach [cm] | 105.4 | 8.8 | 97.0 | 7.8 | 9 | <0.01 (1.40) | |
| 6-min run [m] | 1214.9 | 153.2 | 1076.0 | 97.7 | 13 | <0.05 (0.75) | |
| Single-leg stand [s] | 139.2 | 59.1 | 68.6 | 60.4 | 103 | <0.01 (1.22) | |
| Cognitive/academic performance | ELFE 1–6 (max. 120 points)* | 102.5 | 86–112 | 108.0 | 86–110 | 5 | n.s. |
| DEMAT 4 (max. 40 points)* | 22.5 | 16–29 | 17.5 | 15–23 | 22 | n.s. | |
| HSP 4–5 (max. 42 points)* | 33.0 | 29–36 | 32.5 | 27–35 | 2 | n.s. | |
| d2-test* | 498.0 | 393–552 | 418.0 | 401–481 | 16 | n.s. | |
| German grade* | 2.0 | 2–2 | 2.0 | 2–3 | n.s. | ||
| Mathematics grade* | 2.0 | 1–3 | 3.0 | 2–3 | n.s. | ||
| English grade* | 2.0 | 2–3 | 2.0 | 2–3 | n.s. | ||
| PE grade* | 1.0 | 1–1 | 3.0 | 2–3 | <0.01 (2.36) | ||
*
Values are medians and interquartile ranges d, Cohen's d effect size; ESC, elite sport class; M, mean; n.s., non-significant; PE, physical education; RC, regular class; SD, standard deviation.