Descriptive statistics of the physical activity variables
| Mean (SD) min/day | |||||||
| Variable | Total (n=138) | 8–11 years (n=23) | 12–18 years (n=115) | P value* | Boys (n=38) | Girls (n=100) | P value† |
| Sedentary minutes per day | 555.24 (100.01) | 494.48 (75.18) | 567.39 (100.18) | 0.002 | 545.61 (110.01) | 558.90 (96.28) | 0.49 |
| Light minutes per day | 142.32 (51.32) | 176.33 (50.45) | 135.52 (49.01) | <0.001 | 143.78 (62.40) | 141.77 (46.88) | 0.84 |
| Moderate-vigorous minutes per day | 29.48 (21.98) | 39.76 (25.75) | 27.42 (20.67) | 0.009 | 30.90 (25.53) | 28.94 (20.59) | 0.64 |
| Vigorous minutes per day | 9.72 (12.26) | 14.35 (15.61) | 8.79 (11.33) | 0.008 | 11.49 (13.12) | 9.04 (11.91) | 0.30 |
*Wilcoxon rank-sum test statistic.
†The t-test statistic.