TABLE 1.
Characteristics of the participants.
| Variables | All (n = 578) | Middle childhood (n = 273) | Late childhood (n = 305) | P-value |
|---|---|---|---|---|
| BMI (kg/m2, M ± SD) | 17.36 (2.71) | 16.71 (2.09) | 18.16 (3.14) | <0.001 |
| Vital capacity (milliliters) | 1,558 (493) | 1,338 (372) | 1806 (496) | <0.001 |
| 50-m dash (s) | 10.6 (1.1) | 11.0 (1.1) | 10.3 (0.9) | <0.001 |
| Sit-and-reach test (cm) | 7.5 (5.5) | 8.4 (5.1) | 6.5 (5.7) | <0.001 |
| 1-min rope-skipping (number) | 148 (36) | 139 (35) | 158 (34) | <0.001 |
| Locomotor skills (score) | 33.83 (5.50) | 32.80 (6.85) | 35.08 (2.67) | <0.001 |
| Ball skills (score) | 35.74 (6.89) | 33.33 (7.64) | 38.67 (4.34) | <0.001 |
| AMC (score) | 69.57 (10.50) | 66.14 (12.32) | 73.75 (5.29) | <0.001 |
| PMC (score) | 18.21 (4.08) | 17.81 (4.31) | 18.71 (3.74) | 0.014 |
| Health-related physical fitness (score) | 82.23 (5.60) | 81.23 (6.26) | 83.23 (4.45) | <0.001 |
| MVPA min/day | 48.97 (16.30) | 48.45 (17.12) | 49.59 (15.26) | 0.438 |
AMC, actual motor competence; PMC, perceived motor competence; MVPA, moderate-to-vigorous physical activity.