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Selection process of moderate and high‐risk subjects
| Sample selection | Experimental group | Control group |
|---|---|---|
| Total girls from 10th to 12th grade | 506 | 756 |
| Based on selection criteria | 442 | 557 |
| No risk, low risk (excluded) | 224 + 113 = 337 | 265 + 172 = 437 |
| Moderate and high risk (included) | 90 + 15 = 105 | 103 + 17 = 120 (randomization 102) |
| Drop out | 3 | No drop out |
| Final sample for analysis | 102 | 102 |
