Outcome variable | Intervention group (ITT) N = 1,349 | Control group (CTRL) N = 1,338 | Difference between groups (ITT vs. CTRL) |
---|---|---|---|
% | % | pb | |
Overall impact c on the target health behaviors under consideration | (n = 1,307) | (n = 1,292) | 0.006 |
Improved | 37.0 | 31.4 | |
No change | 28.1 | 28.7 | |
Declined | 34.9 | 39.9 | |
Change in physical activity level | (n = 1,330) | (n = 1,323) | 0.771 |
Increased | 23.8 | 23.1 | |
No change | 58.8 | 58.5 | |
Decreased | 17.4 | 18.4 | |
Change in meal regularity | |||
Breakfast | (n = 1,344) | (n = 1,332) | 0.440 |
More regular | 20.1 | 20.0 | |
No change | 62.1 | 60.2 | |
More irregular | 17.9 | 19.7 | |
Lunch | (n = 1,345) | (n = 1,336) | 0.730 |
More regular | 25.9 | 25.0 | |
No change | 48.8 | 48.5 | |
More irregular | 25.3 | 26.5 | |
Dinner | (n = 1,340) | (n = 1,334) | 0.629 |
More regular | 22.4 | 22.6 | |
No change | 47.0 | 45.3 | |
More irregular | 30.6 | 32.1 | |
Change in the bedtime before school-/work-days | (n = 1,343) | (n = 1,317) | 0.061 |
Earlier | 31.7 | 27.7 | |
No change | 34.3 | 35.2 | |
Later | 34.0 | 37.1 | |
Median (IQR) | Median (IQR) | p d | |
Change in BMI | (n = 1,244) | (n = 1,294) | |
All | 0.55 (1.59) | 0.51 (1.75) | 0.769 |
BMI classes (before the intervention): | |||
BMI < 18.5 | 0.88 (1.21) | 0.62 (1.30) | 0.919 |
BMI 18.5–24.9 | 0.54 (1.55) | 0.49 (1.57) | 0.561 |
BMI 25.0–29.9 | 0.39 (2.08) | 0.62 (2.55) | 0.805 |
BMI ≥ 30 | 0.65 (3.01) | 0.23 (3.80) | 0.914 |