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| Participants, n | Module 1 (baseline), mean (SD) | Comparison level, mean (SD) | Paired difference, mean (SD) | P value | Effect size | |
|---|---|---|---|---|---|---|
| Modules 1-4 | 1124 | 14.0 (7.4) | 11.8 (7.9) | 2.2 (5.7) | <.001 | 0.38 |
| Modules 1-7 | 473 | 14.1 (7.3) | 10.5 (8.5) | 3.6 (7.0) | <.001 | 0.51 |
| Module 1 to last available (module 4 or 7) | 1124 | 14.0 (7.4) | 11.2 (8.1) | 2.8 (6.5) | <.001 | 0.43 |
PHQ-A: Patient Health Questionnaire adapted for Adolescents.
