Table 3 Percent of school day spent in sedentary behaviour, light intensity physical activity, and MVPA at baseline and follow-up in the intervention and control group
|  | Intervention (n = 70) | Control (n = 48) | Difference between groups for the change | |||||
|---|---|---|---|---|---|---|---|---|
Baseline Mean (SD) | Follow-up Mean (SD) | Within group change Mean; p value; d | Baseline Mean (SD) | Follow-up Mean (SD) | Within group change Mean; d | Mean (95% CI) | d | |
Sedentary % | 51.2 (8.6) | 49.1 (8.9) | − 2.1; 0.3 | 55.1 (8.9) | 52.4 (9.0) | − 2.7; 0.4 | 0.6 (− 1.8, 3.1) | 0.1 |
Light % | 40.0 (6.5) | 40.7 (6.7) | + 0.7; 0.2 | 38.5 (7.2) | 40.6 (7.8) | + 2.1; 0.4 | − 1.4 (− 3.3, 0.6) | 0.3 |
MVPA % | 8.8 (3.4) | 10.2 (3.9) | + 1.4; 0.5 | 6.4 (3.3) | 7.0 (3.0) | + 0.6; 0.3 | 0.8 (− 0.2, 1.8) | 0.3 |