TABLE 4.
Characteristics of children with experiencing bodyweight gain
| Children with bodyweight gain (n = 161) | Children no bodyweight gain (n = 798) | With bodyweight gain vs. no bodyweight gain p | ||||||
|---|---|---|---|---|---|---|---|---|
| Boys | Girls | Boys | Girls | |||||
| Gender | 79/161 | 82/161 | 405/798 | 393/798 | 0.730 † | |||
| 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) | 3.6 h (2.3) | 2.9 h (1.8) | < .001 ‡ | |||||
| Mean duration of playing video games (SD) | 1.9 h (2.0) | 1.7 h (1.7) | < .674 ‡ | |||||
| Total screen time (SD) | 5.2 h (3.0) | 4.7 h (2.5) | < .001 ‡ | |||||
| Mean sleep duration (SD) | 9.5 h (0.8) | 9.4 h (0.8) | 0.234 ‡ | |||||
| Mean wakeup time (SD) | 7:28 (1.0 h) | 7:21 (1.0 h) | 0.402 ‡ | |||||
| Mean bedtime (SD) | 21:54 (0.9 h) | 21:54 (0.9 h) | 0.490 ‡ | |||||
| Bodyweight gain during school closure | 105/161 | 377/798 | < .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