Table 3.
Time and interaction effects for sedentary behaviour outcomes in the total sample (adjusted for age and gender)
| Outcomes | Mean difference (follow-up - baseline) | Time | Time* Condition | |||||
|---|---|---|---|---|---|---|---|---|
| β (SE) | 95 % CI | β (SE) | 95 % CI | p-value | ||||
| Accelerometera | SB weekday | I | +0.96 % | 0.96 (0.62) | −0.26 to 2.19 | −1.31 (0.78) | −2.84 to 0.21 | 0.09 |
| C | −0.35 % | |||||||
| SB weekend day | I | −0.86 % | −1.12 (0.75) | −2.59 to 0.35 | 0.26 (0.94) | −1.58 to 2.10 | 0.78 | |
| C | −1.12 % | |||||||
| Total SB | I | −0.41 % | 0.52 (0.56) | −0.57 to 1.62 | −0.93 (0.70) | −2.30 to 0.43 | 0.18 | |
| C | +0.52 % | |||||||
| SB school hours | I | −1.19 % | −0.18 (0.55) | −1.25 to 0.90 | −1.01 (0.69) | −2.36 to 0.33 | 0.14 | |
| C | −0.18 % | |||||||
| SB after school hours | I | −0.96 % | −1.37 (0.78) | −2.90 to 0.16 | 0.41 (0.97) | −1.49 to 2.32 | 0.67 | |
| C | −1.37 % | |||||||
| Questionnaireb | TV week | I | +0.13 min/day | 0.73 (1.57) | −2.36 to 4.78 | −0.59 (2.06) | −4.63 to 3.44 | 0.77 |
| C | +0.73 min/day | |||||||
| TV weekend | I | −2.61 min/day | 1.90 (2.56) | −3.11 to 6.92 | −4.51 (3.35) | −11.07 to 2.05 | 0.18 | |
| C | +1.90 min/day | |||||||
| PC week | I | +4.79 min/day | 5.83 (1.04)*** | 3.79 to 7.86 | −1.04 (1.36) | −3.69 to 1.62 | 0.44 | |
| C | +5.83 min/day | |||||||
| PC weekend | I | +8.12 min/day | 11.17 (1.50)*** | 8.23 to 14.11 | −3.05 (1.96) | −6.90 to 0.80 | 0.12 | |
| C | +11.17 min/day | |||||||
| Quiet play week | I | −0.87 min/day | −4.44 (2.33) | −9.00 to 0.13 | 3.56 (3.05) | −2.41 to 9.53 | 0.24 | |
| C | −4.44 min/day | |||||||
| Quiet play weekend | I | −9.19 min/day | −7.05 (4.59) | −16.05 to 1.95 | −2.14 (5.99) | −13.89 to 9.60 | 0.72 | |
| C | −7.05 min/day | |||||||
SB Sedentary Behaviour, TV Television, PC Personal Computer, SE Standard Error, 95 % CI 95 % Confidence Interval, I Intervention group, C Control group
*p < 0.05, **p < 0.01, ***p < 0.001
an = 859 (I = 529, C = 330)
bn = 1715 (I = 961, C = 754)