Table 1 Basic descriptive statistics of the study participants (N = 1612)
Study variables | Total sample (N = 1612) | Boys (N = 765) | Girls (N = 847) | p-value* |
|---|---|---|---|---|
Mean (SD) | Mean (SD) | Mean (SD) | ||
Age (years) | 9.7 (2.4) | 9.8 (2.4) | 9.6 (2.3) | 0.148 |
Height (cm) | 151.0 (176) | 152.0 (19.4) | 150.2 (15.7) | 0.046 |
Weight (kg) | 45.1 (19.1) | 46.5 (13.3) | 43.9 (14.04) | 0.006 |
Body-mass index (kg/m2) | 20.2 (3.4) | 21.6 (3.6) | 19.9 (3.3) | < 0.001 |
Sit-and-reach test (cm) | 20.4 (8.3) | 17.6 (8.3) | 23.0 (7.3) | < 0.001 |
Standing broad jump (cm) | 158.5 (43.5) | 164.4 (38.9) | 153.1 (46.7) | < 0.001 |
Sit-ups in 30 s (reps) | 17.1 (7.0) | 17.8 (7.2) | 16.5 (6.8) | < 0.001 |
10 × 5 shuttle run (sec) | 23.1 (3.0) | 22.6 (3.2) | 23.6 (2.8) | < 0.001 |
20-m shuttle run (level) | 4.3 (1.9) | 4.9 (2.2) | 3.9 (1.4) | < 0.001 |