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Table 3 Effect of Movimente intervention on different screen time devices in adolescents

From: Effectiveness and moderators of a multicomponent school-based intervention on screen time devices: the Movimente cluster-randomized controlled trial

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)

−7.6 (− 22.8;7.6)

− 14.0 (− 26.4; − 1.5)

−6.7 (− 6.1;13.4)

− 0.06

0.528

Game time (min/day)

−2.6 (− 17.8;12.6)

− 10.8 (− 22.7;1.1)

−8.2 (− 7.2;10.8)

−0.07

0.397

Computer time (min/day)

−2.8 (− 14.9;9.2)

−1.7 (− 14.0;10.6)

1.13 (− 6.3;18.5)

0.01

0.898

Smartphone time (min/day)

17.7 (−0.4;35.8)

7.5 (− 6.1;21.0)

− 10.2 (− 32.5;12.1)

− 0.08

0.371

ST (min/day)

−13.5 (− 1.8;14.8)

− 26.4 (− 50.6;-2.1)

−12.8 (− 50.5;24.8)

−0.06

0.504

ST w/ smartphone (min/day)

4.3 (−30.3; 38.9)

− 18.9 (− 46.5; 8.8)

−23.2 (− 67.9;21.5)

− 0.09

0.309

ST guidelines (<2hs)a

1.48 (0.89;2.48)

1.92 (1.20;3.06)

1.29 (0.65;2.57)

–

0.464

ST guidelines w/ smartphone (<2hs)a

0.88 (0.27;2.84)

1.46 (0.58;3.69)

1.66 (0.37;7.40)

–

0.507

  1. Note. Data presented as the slope of time (post- vs pre- intervention) from the fixed part of the model, ST screen time; a Expressed as OR for meeting recreational screen time guidelines (< 2 h)