Table 3.
Descriptive statistics of girls by weight status and the Kruskal-Wallis test results.
| BMI categories | UW (n = 10) | NW (n = 83) | OW (n = 31) | H | p |
|---|---|---|---|---|---|
| Age (years) | 10.04 ± 0.18 | 10.26 ± 0.32 | 10.35 ± 0.30 | 7.4 | 0.024 |
| Height (cm) | 137.0 ± 3.5 | 140.6 ± 5.9 | 146.5 ± 6.6 | 25.6 | 0.001 |
| Body mass (kg) | 26.6 ± 1.1 | 34.4 ± 4.8 | 53.6 ± 8.4 | 79.0 | 0.001 |
| BMI (kg/m2) | 14.2 ± 0.3 | 17.3 ± 1.5 | 24.9 ± 2.8 | 84.1 | 0.001 |
| Waist circumference (cm) | 54.9 ± 2.6 | 61.3 ± 5.6 | 78.9 ± 7.2 | 70.5 | 0.001 |
| 20 m shuttle (laps) | 33.8 ± 11.3 | 30.3 ± 11.0 | 14.4 ± 5.6 | 48.8 | 0.001 |
| Wear time (min/day) | 1370.4 ± 140.5 | 1399.8 ± 64.9 | 1397.0 ± 63.6 | 2.1 | 0.357 |
| Sedentary time (min/day) | 480.4 ± 70.9 | 505.9 ± 66.6 | 503.2 ± 53.6 | 0.4 | 0.803 |
| Light activity (min/day) | 391.2 ± 62.9 | 365.3 ± 57.2 | 364.4 ± 48.3 | 1.5 | 0.465 |
| Moderate activity (min/day) | 22.3 ± 9.1 | 16.0 ± 6.6 | 12.5 ± 5.7 | 12.8 | 0.002 |
| Vigorous activity (min/day) | 14.3 ± 5.9 | 9.8 ± 5.7 | 6.6 ± 3.8 | 19.0 | 0.001 |
| MVPA (min/day) | 36.6 ± 14.7 | 25.8 ± 11.9 | 19.1 ± 9.1 | 15.8 | 0.001 |
| Sleep time (min/day) | 531.9 ± 75.0 | 543.1 ± 37.5 | 553.4 ± 24.7 | 1.1 | 0.587 |