Table 2.
Duration of physical activity (PA) just before study start, just after study start, after 4 and 7 years in girls and boys in the intervention and control groups
| Girls | Boys | |||||
|---|---|---|---|---|---|---|
| Intervention | Control | P value | Intervention | Control | P value | |
| n = 72 | n = 44 | n = 98 | n = 47 | |||
| PA before study start (hours/week) | ||||||
| Total PA | 1.7 ± 1.7 | 2.2 ± 2.0 | 0.198 | 3.1 ± 3.5 | 3.4 ± 3.2 | 0.635 |
| PA after study start (hours/week) | ||||||
| School curriculum | 3.3 | 1.0 | NA | 3.3 | 1.0 | NA |
| Outside school | 1.7 ± 1.7 | 2.2 ± 2.0 | 0.198 | 3.1 ± 3.5 | 3.4 ± 3.2 | 0.635 |
| Total PA | 5.1 ± 1.7 | 3.2 ± 2.0 | <0.001 | 6.4 ± 3.5 | 4.4 ± 3.2 | 0.001 |
| PA 4 years after study start (hours/week) | ||||||
| School curriculum | 3.3 | 1.0 | NA | 3.3 | 1.0 | NA |
| Outside school | 4.5 ± 3.1 | 4.5 ± 3.5 | 0.976 | 6.1 ± 4.5 | 5.3 ± 3.2 | 0.285 |
| Total PA | 7.8 ± 3.1 | 5.5 ± 3.5 | <0.001 | 9.4 ± 4.5 | 6.3 ± 3.2 | <0.001 |
| PA at 7-year follow-up (hours/week) | ||||||
| School curriculum | 3.3 | 1.0 | NA | 3.3 | 1.0 | NA |
| Outside school | 5.0 ± 3.3 | 4.1 ± 3.2 | 0.163 | 6.4 ± 4.8 | 5.7 ± 4.1 | 0.404 |
| Total PA | 8.3 ± 3.3 | 5.1 ± 3.2 | <0.001 | 9.7 ± 4.8 | 6.7 ± 4.1 | <0.001 |
Data are presented as means ± standard deviations. Statistically significant differences are bolded
NA non applicable