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Sociodemographic characteristics of the participants (N = 500).
| Variables | Mean ± SD or n (%) |
|---|---|
| Age | 13.31 ± 0.99 |
| Grade | |
| 1st (14 years old) | 206 (41.2) |
| 2nd (15 years old) | 168 (33.6) |
| 3rd (16 years old) | 126 (25.2) |
| Sex | |
| Male | 238 (47.6) |
| Residential area | |
| Rural | 158 (31.6) |
| Suburban | 240 (48.0) |
| Urban | 102 (20.4) |
| Living arrangement | |
| Home with family | 480 (96.0) |
| Home with relatives | 3 (0.6) |
| Dormitory | 8 (1.6) |
| Care facility | 9 (1.8) |
