Table 1.
Baseline characteristics of students
| Characteristics | n = 76 |
|---|---|
| Mean age, years (SD) | 13.9 (1.1) |
| Sex, n (%) | |
| Male | 26 (34) |
| Female | 50 (66) |
| School grade, n (%) | |
| Grade 7 | 34 (45) |
| Grade 8 | 29 (38) |
| Grade 9 | 13 (17) |
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