Duration of PA and sedentary behaviour in hours/week during mean 7.4 years with daily school PA in the intervention group and 1–2 days/week in the control group and mean 3.7 years after termination of the intervention
| Intervention (unadjusted values) (n=81) | Control (unadjusted values) (n=43) | Mean difference (group comparison adjusted for gender and age) | P values (group comparison adjusted for gender and age) | |
| Just before baseline | ||||
| PA in leisure time | 2.7 (2.0 to 3.3) | 3.0 (2.1 to 3.8) | −0.2 (−1.2 to 0.8) | 0.69 |
| Sedentary activity | 12.5 (11.1 to 13.9) | 11.4 (10.1 to 12.8) | 1.7 (−0.4 to 3.9) | 0.13 |
| Baseline | ||||
| PE in school | 3.3 | 1.0 | Not applicable | Not applicable |
| PA in leisure time | 2.7 (2.0 to 3.3) | 3.0 (2.1 to 3.8) | −0.2 (−1.2 to 0.8) | 0.69 |
| Total PA | 6.0 (5.3 to 6.6) | 4.0 (3.1 to 4.8) | 2.1 (1.1 to 3.1) | < 0.001 |
| Sedentary activity | 12.5 (11.1 to 13.9) | 11.4 (10.1 to 12.8) | 1.7 (−0.4 to 3.9) | 0.13 |
| 5.0±0.6 (mean±SD) years after baseline | ||||
| PE in school | 3.3 | 1.0 | Not applicable | Not applicable |
| PA in leisure time | 6.1 (5.1 to 7.1) | 5.0 (4.0 to 6.0) | 1.2 (−0.2 to 2.6) | 0.10 |
| Total PA | 9.4 (8.4 to 10.4) | 6.0 (5.0 to 7.0) | 3.5 (2.1 to 4.9) | < 0.001 |
| Sedentary activity | 15.9 (14.5 to 17.3) | 18.7 (16.0 to 21.3) | −2.3 (−5.1 to 0.5) | 0.11 |
| 7.4±0.6 (mean±SD) years after baseline | ||||
| PE in school | 3.3 | 1.0 | Not applicable | Not applicable |
| PA in leisure time | 6.7 (5.5 to 7.9) | 4.4 (3.3 to 5.6) | 2.1 (0.6 to 3.6) | < 0.01 |
| Total PA | 10.0 (8.8 to 11.2) | 5.4 (4.3 to 6.5) | 4.5 (2.9 to 6.0) | < 0.001 |
| Sedentary activity | 19.5 (17.2 to 21.7) | 18.6 (16.0 to 21.1) | 0.6 (−2.5 to 3.9) | 0.71 |
| 3.7±0.5 (mean±SD) years after termination of intervention | ||||
| PA besides walking | 5.8 (4.5 to 7.1) | 3.7 (2.7 to 4.6) | 2.1 (0.5 to 3.7) | < 0.05 |
| Duration of walking | 1.6 (1.0 to 2.2) | 1.0 (0.2 to 1.7) | 0.7 (−0.2 to 1.5) | 0.15 |
| Total PA | 7.4 (5.9 to 8.9) | 4.7 (3.4 to 5.9) | 2.7 (0.8 to 4.7) | < 0.01 |
| Sedentary activity | 23.5 (20.6 to 26.4) | 27.1 (22.0 to 32.2) | −3.9 (−9.7 to 1.7) | 0.19 |
Data are presented as mean and 95% CI (bootstrapped CI) within brackets.
Statistically significant differences are highlighted in bold.
PA, physical activity; PE, physical education.