Table 3 Linear mixed-effect model analysis incorporating principal components
Outcomes | PC1 (activity time and distance components) | PC2 (magnitude ratio, sedentary, and energy components) | Model error | Power | ||||
|---|---|---|---|---|---|---|---|---|
Estimate | 95% CI | p | Estimate | 95% CI | p | RMSE | ||
PMAL | ||||||||
How often | 0.03 | -0.13–0.19 | 0.75 | 0.10 | -0.05–0.24 | 0.23 | 0.34 | 0.860 |
How well | 0.04 | -0.12–0.20 | 0.62 | 0.16 | 0.01–0.30 | 0.03* | 0.20 | 0.903 |
PEDI-CAT | ||||||||
Daily activities | -0.01 | -0.53–0.52 | 0.99 | 0.42 | -0.12–0.92 | 0.08 | 0.58 | 0.581 |
Mobility | 0.33 | -0.20–0.87 | 0.24 | 0.12 | -0.38–0.62 | 0.63 | 0.60 | 0.282 |
Social/Cognitive | -0.07 | -0.47–0.33 | 0.75 | -0.12 | -0.45–0.22 | 0.50 | 0.31 | 0.610 |
Responsibility | 0.10 | -0.63–0.83 | 0.78 | -0.18 | -0.76–0.38 | 0.39 | 0.60 | 0.454 |
MA2 | ||||||||
ROM | -0.31 | -2.44–1.90 | 0.77 | 1.01 | -0.69–2.76 | 0.26 | 2.33 | 0.381 |
Accuracya | -0.71 | -4.93–2.97 | 0.70 | 1.35 | -4.46–7.17 | 0.64 | 50.52 | 0.078 |
Dexterity | -1.12 | -4.15–1.88 | 0.49 | 1.24 | -1.31–3.79 | 0.35 | 2.90 | 0.640 |
Fluency | -0.44 | -1.86–0.98 | 0.22 | 0.30 | -0.88–1.48 | 0.64 | 1.16 | 0.394 |
AHA | 0.19 | -0.70–1.10 | 0.28 | 0.77 | 0.03–1.52 | 0.05* | 0.94 | 0.773 |
MACS levela | -0.03 | -0.08–0.02 | 0.25 | -0.15 | -0.23–-0.07 | < 0.001** | 0.66 | 0.962 |
Agea | -0.32 | -0.41–-0.23 | < 0.001** | -0.24 | -0.38–-0.09 | < 0.001** | 1.26 | 1.000 |
Sex, malea | 0.04 | -0.11–0.18 | 0.62 | -0.07 | -0.30–0.15 | 0.51 | 91.38 | 0.050 |