Model 1 Total Physical Activity (min/h) | Model 2 Moderate to Vigorous Physical Activity (min/h) | |||||
---|---|---|---|---|---|---|
Estimates | CI | p | Estimates | CI | p | |
Fixed Effects | ||||||
Intercept | 8.75 | 3.45–14.04 | 0.001 | 2.98 | −0.90 – 6.87 | 0.132 |
Time [POST] | −2.30 | −3.54 – −1.05 | < 0.001 | −1.43 | − 2.33 – −0.52 | 0.002 |
Group [Intervention] | −0.23 | −2.32 – 1.87 | 0.833 | −0.11 | −1.54 – 1.31 | 0.875 |
Age | 0.14 | −0.95 – 1.22 | 0.808 | 0.32 | −0.49 – 1.12 | 0.437 |
Sex [Boy] | 2.75 | 1.83–3.67 | < 0.001 | 2.05 | 1.37–2.73 | < 0.001 |
Wear-time | 0.02 | 0.01–0.02 | < 0.001 | 0.01 | 0.01–0.01 | < 0.001 |
Group by Time [POST] | 4.06 | 2.66–5.47 | < 0.001 | 2.33 | 1.31–3.34 | < 0.001 |
Random Effectsa | ||||||
Mean square variance σ2 | 13.29 | 3.65 | 6.84 | 2.61 | ||
Between-participant variance | 5.15 | 2.27 | 3.13 | 1.77 | ||
Between-centre variance | 3.07 | 1.75 | 1.32 | 1.15 | ||
Intraclass Correlation Coefficient (ICC) | 0.38 | 0.39 | ||||
N: Centres | 15 | 15 | ||||
N: Participants | 281 | 281 | ||||
N: Observations | 451 | 451 |