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Participant Demographics
| Characteristic | Mean (SD) |
|---|---|
| Age | 14.11 (1.48) |
|
| |
| Characteristic | n (%) |
|
| |
| Sex | |
| Female | 572 (48.0%) |
| Male | 619 (52.0%) |
| School Typea | |
| School A | 560 (46.4%) |
| School B | 257 (21.3%) |
| School C | 390 (32.3%) |
aSchool A is a well-resourced urban school, School B is a middle-class urban school, and School C is a working-class rural school
