Table 4 Effect of Movimente intervention on different screen time devices according to school grade among adolescents
Outcomes | Time effect for the control group | Time effect for the intervention group | Intervention vs control time effect contrast | ||
|---|---|---|---|---|---|
β (95% CI) | β (95% CI) | β (95% CI) | std β | p-value | |
TV time (min/day) | |||||
 7th grade | −1.5 (−26.9; 23.9) | 2.7 (− 17.4; 22.9) | 4.2 (− 28.3; 36.8) | 0.04 | 0.800 |
 8th grade | 6.8 (−22.1; 35.7) | −30.3 (−51.6; −9.1) | −37.1 (− 73.0; − 1.3) | − 0.35 | 0.043* |
 9th grade | −32.1 (− 58.9; − 5.2) | − 15.8 (− 39.0; 7.4) | 16.3 (− 18.5; 51.0) | 0.15 | 0.359 |