Table 1.
Sociodemographic characteristics of participants (n = 3,860).
| Characteristics | Mean or n | SD or % |
|---|---|---|
| Age (years) | 12.51 | 1.66 |
| Gender | ||
| Male | 1,925 | 49.87 |
| Female | 1,935 | 50.13 |
| Educational degree | ||
| Primary school | 1,756 | 45.49 |
| Middle school | 2,104 | 54.51 |
| Left behind children | ||
| Yes | 1,579 | 40.91 |
| No | 2,281 | 59.09 |
| Family economic status | ||
| Low | 425 | 11.01 |
| Moderate | 2,138 | 55.39 |
| High | 1,297 | 33.60 |
| Academic stress | ||
| Low | 538 | 13.94 |
| Moderate | 2,027 | 52.51 |
| High | 1,295 | 33.55 |
Quantitative data were expressed by “mean” and “standard deviation (SD)”, qualitative data were expressed by “n” and “percentage (%)”.