Table 1.
Descriptive data of participants.
| Total Mean (SD) | Boys’ Mean (SD) | Girls’ Mean (SD) | p-Value | |
|---|---|---|---|---|
| n | 470 | 244 | 226 | |
| Age (years) | 8.35 (0.32) | 8.36 (0.32) | 8.34 (0.32) | 0.649 |
| Weight (kg) | 29.73 (5.27) | 29.99 (5.22) | 29.45 (5.33) | 0.270 |
| Height (m) | 1.32 (0.06) | 1.33 (0.06) | 1.31 (0.06) | 0.026 |
| BMI (kg) | 16.97 (2.10) | 16.97 (1.98) | 16.98 (2.24) | 0.956 |
| PA | ||||
| Light PA (min/day) | 235.13 (30.30) | 231.66 (30.59) | 238.88 (29.60) | 0.010 |
| MVPA (min/day) | 107.53 (28.04) | 110.68 (28.29) | 104.12 (27.43) | 0.011 |
| SLEEP | ||||
| Sleep duration (min/day) | 489.43 (37.09) | 489.30 (39.50) | 489.58 (34.39) | 0.935 |
| Sleep latency (min/day) | 17.10 (11.56) | 17.13 (10.63) | 17.07 (12.50) | 0.956 |
| Sleep efficiency (%) | 82.74 (5.79) | 82.75 (5.86) | 82.73 (5.73) | 0.972 |
SD: standard deviation; BMI: body mass index; PA: physical activity; MVPA: moderate-to-vigorous physical activity; Significant values are highlighted in bold.