Table 1.
Characteristics of participants (N = 489).
| M (SD) or n (%) | F or χ2 | |||
|---|---|---|---|---|
| Before outbreak | COVID-19 outbreak | Post-lockdown | ||
| Age (year) | 11.60 (0.74) | 11.60 (0.73) | 11.61 (0.74) | 0.01 |
| Gender (Boy) | 247 (51%) | 247 (51%) | 247 (51%) | |
| Height (cm) | 145.54 (8.60) | 145.74 (8.60) | 147.45 (8.82) | 17.94** |
| Weight (kg) | 39.61(11.45) | 42.87(14.10) | 42.44(12.10) | 26.77** |
| Body Mass Index. (kg/m2) | 18.84(5.79) | 20.16(6.45) | 19.54(5.68) | 20.90** |
| Objective weight status (Overweight) | 124(25.35) | 161(32.92%) | 157(32.11%) | 5.59 |
| Perceived weight status (Overweight) | 78(15.95%) | 83(16.97%) | 85(17.38%) | 0.32 |
*
p < 0.05;
**
p < 0.01;
***
p < 0.001.
Objective weight status indicates overweight defined using BMI with reference from 2005 mainland Chinese children at 85% percentile in BMI (So et al., 2008). Perceived weight status indicates overweight defined using the question item “What do you think your weight status is?” with responses of “Very thin,” “Thin,” “Normal weight,” “Overweight,” and “Obese.”