Table 2.
Within-group changes from baseline for all outcomes at 4 and 12 weeks
| Variable | Intervention group/ Adjusted mean (95% CI) |
Control group/ Adjusted mean (95% CI) |
||
|---|---|---|---|---|
| 4 weeks | 12 weeks | 4 weeks | 12 weeks | |
| Primary outcome | ||||
| MVPA (hour/week) | 1.77 (1.45, 2.10)*** | 1.96 (1.64, 2.28)*** | 0.49(0.19, 0.79)** | 0.52 (0.21, 0.82)*** |
| Secondary outcomes | ||||
| LPA (hour/week) | 0.80 (0.32, 1.27)** | 0.78 (0.30, 1.26)** | 0.46 (0.01, 0.92)* | 0.36 (-0.10, 0.81) |
| TUG (s) | -1.14 (-1.59, -0.68)*** | -1.56 (-2.01, -1.11)*** | 0.17 (-0.26, 0.60) | -0.44 (-0.87, -0.02)* |
| BBS (score) | 2.27 (1.81, 2.72)*** | 3.74 (3.28, 4.19)*** | 0.38 (-0.05, 0.81) | 0.62(0.19, 1.05)** |
| Fall efficacy (score) | 2.96 (1.91, 4.00)*** | 5.56(4.52, 6.61)*** | 0.74 (-0.24, 1.73) | 2.08 (1.09, 3.06)*** |
| Loneliness (score) | -0.73 (-1.23, -0.23)** | -1.42(-1.92, -0.93)*** | -0.43 (-0.90, 0.04) | -1.01(-1.48, -0.55)** |
The adjusted mean within-group differences (95% CIs) were derived from linear mixed models, which included the intervention-by-time interaction, and were adjusted for age, sex, education, and chronic disease status, with a random subject intercept
Abbreviations: MVPA moderate-to-vigorous physical activity, LPA Light Physical Activity, TUG Timed up and go test, BBS Berg Balance Scale, CI Confidence Interval
* p < 0.05, ** p < 0.01, *** p < 0.001