Table 3.
Main intention to treat analyses of effect of Walk Well programme on primary and secondary outcomes assessed immediately after end of programme (12 weeks)
| Walk Well | Control | Main between group comparison | |||||
|---|---|---|---|---|---|---|---|
| Outcomes | N | Mean (SD) | N | Mean (SD) | Mean difference at 12-weeks (95 % CI)a | p | ICC |
| Primary outcome | |||||||
| Step count per day | 42 | 4823 (2059) | 40 | 4784 (2613) | 69.5 (-1054 , 1193.3) | 0.90 | 0.51 |
| Secondary outcomes | |||||||
| Percentage time per day MVPA | 42 | 3.0 (2.6) | 40 | 3.1 (2.1) | 0.3 (-0.7 , 1.3) | 0.55 | 0.42 |
| Percentage time per day sedentary | 42 | 66.4 (10.0) | 40 | 65.9 (12.0) | 1.6 (-3.0 , 6.1) | 0.49 | 0.22 |
| Total MET minutes per week | 37 | 1311.9 (1293.2) | 37 | 1154.8 (1103.7) | 56.0 (-428.8,540.9) | 0.82 | 0.02 |
| Body Mass Index (kg/m2) | 43 | 32.1 (7.7) | 43 | 32.9 (7.5) | −0.2 (-0.83,0.41) | 0.49 | 0.00 |
| Waist circumference (cm) | 45 | 104.9 (16.9) | 42 | 107.8 (17.8) | −1.6 (-3.93,0.64) | 0.15 | 0.00 |
| Subjective vitality (mean score) | 39 | 14.6 (2.5) | 35 | 14.3 (2.8) | 0.3 (-0.85, 1.52) | 0.57 | 0.00 |
| Self-efficacy (mean score) | 43 | 14.4 (3.0) | 42 | 13.7 (3.7) | 0.8 (-0.68, 2.22) | 0.29 | 0.08 |
| EQ-5D (mean health utility score) | 44 | 0.8 (0.27) | 43 | 0.7 (0.30) | 0.0 (-0.09, 0.14) | 0.70 | 0.00 |
SD standard deviation, ICC intraclass correlation coefficient, EQ-5D European quality of Life 5 Dimensions, MET metabolic equivalents, MVPA moderate vigorous physical activity; aBetween group mixed effects model adjusted for cluster and baseline value