TABLE 2.
Characteristics of children with behavioral problems during school closure
| Children with behavioral problems during school closure (n = 482) | Children without behavioral problems during school closure (n = 477) | With problems vs. Without problems p | ||||||
|---|---|---|---|---|---|---|---|---|
| Boys | Girls | Boys | Girls | |||||
| Gender | 253/482 | 229/482 | 231/477 | 246/477 | 0.220 † | |||
| p = 1.00 *† | p = 1.00 *† | |||||||
| 1 | 83 | 94 | ||||||
| 2 | 85 | 79 | ||||||
| Grade | 3 | 85 | 79 | 0.675 † | ||||
| 4 | 79 | 65 | ||||||
| 5 | 66 | 76 | ||||||
| 6 | 84 | 84 | ||||||
| Mean duration of watching TV/video (SD) | 3.3 h (1.9) | 2.8 h (1.8) | < .001 ‡ | |||||
| Mean duration of playing video games (SD) | 2.1 h (1.9) | 1.4 h (1.6) | < .001 ‡ | |||||
| Total screen time (SD) | 5.4 h (2.7) | 4.2 h (2.5) | < .001 ‡ | |||||
| Mean sleep duration (SD) | 9.4 h (0.9) | 9.4 h (0.8) | 0.653 ‡ | |||||
| Mean wakeup time (SD) | 7:28 (1.0 h) | 7:21 (1.0 h) | 0.109 ‡ | |||||
| Mean bedtime (SD) | 21:54 (1.2 h) | 21:54 (0.9 h) | 0.357 ‡ | |||||
| Bodyweight gain during school closure | 105/482 | 56/477 | < .001 † | |||||
Note. SD = standard deviation; h = hours;
*: p compares proportion of boys and that of girls;
†: Chi-squared tests were used to compare groups;
‡: Wilcoxon rank sum tests were used to compare groups