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| Intervention | IG | CG |
|---|---|---|
| Physical activity | School 1 | |
| Physical activity + health education | School 2 | |
| Physical activity + health education + nutrition | School 3 | |
| [No physical activity] + health education + nutrition | School 4 | |
| [No physical activity] | Schools 5, 6, 7, and 8 |
IG, intervention group; CG, control group.
