Table 2 Unadjusted descriptive statistics for outcomes by intervention group
From: Evaluation of a walking school bus program: a cluster randomized controlled trial
| Â | Pre-intervention | Post-intervention | Between Time Differences | ||||
|---|---|---|---|---|---|---|---|
Intervention | Control | Intervention | Control | Intervention | Control | p-value | |
Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Â | |
Percentage of days walking to school | 36.11 (42.75) | 29.25 (40.94) | 44.91 (45.75) | 28.64 (40.71) | 7.96 (41.40) | -0.27 (28.67) | 0.08 |
MVPA | 37.10 (16.11) | 38.40 (18.87) | 40.87 (21.96) | 39.86 (18.61) | 3.62 (18.12) | 1.95 (16.19) | 0.77 |
Child self-efficacy | 2.31 (0.44) | 2.40 (0.45) | 2.35 (0.43) | 2.34 (0.44) | 0.03 (0.45) | -0.08 (0.45) | 0.07 |
Parent self-efficacy | 2.25 (0.45) | 2.15 (0.51) | 2.23 (0.45) | 2.01 (0.56) | -0.02 (0.49) | -0.11 (0.46) | 0.25 |
Parent outcome expectations | 2.09 (0.27) | 2.09 (0.26) | 2.10 (0.26) | 2.10 (0.26) | 0.01 (0.31) | -0.002 (0.27) | 0.43 |
BMI-Z | 0.83 (1.16) | 0.79 (1.06) | 0.75 (1.17) | 0.70 (1.06) | -0.08 (0.26) | -0.07 (0.25) | 0.60 |