Table 3. Correlations of joint motion metrics with clinical and other measures.
| Variable | Correlation with hip ROM (r, p) |
Correlation with knee ROM (r, p) |
|---|---|---|
| Actigraphy (wrist-worn monitor) | ||
| Total daily physical activity | 0.37 (0.029) | 0.26 (0.14) |
| Other conventional motor and mobility-related clinical measures | ||
| Composite motor measure | 0.59 (< .0001) | 0.52 (0.0001) |
| Parkinsonian gait | -0.57 (< .0001) | -0.70 (< .0001) |
| Body mass index | -0.26 (0.074) | -0.20 (0.17) |
| Mobility disability | -0.51 (0.0002) | -0.47 (0.0007) |
| Fall history | -0.42 (0.0029) | -0.32 (0.024) |
| Hip disability and Osteoarthritis Outcome Score | ||
| Pain | 0.10 (0.51) | 0.31 (0.041) |
| Symptoms | 0.28 (0.063) | 0.37 (0.014) |
| Quality of life | 0.29 (0.053) | 0.45 (0.0019) |
| Activities of daily living | 0.28 (0.06) | 0.47 (0.0012) |
| Sports | 0.24 (0.17) | 0.34 (0.042) |
| Knee injury and Osteoarthritis Outcome Score | ||
| Pain | 0.28 (0.061) | 0.44 (0.0025) |
| Symptoms | 0.17 (0.27) | 0.22 (0.14) |
| Quality of life | 0.27 (0.069) | 0.47 (0.0011) |
| Activities of daily living | 0.28 (0.061) | 0.40 (0.0067) |
| Sports | 0.12 (0.56) | 0.28 (0.16) |
| Participation in activities | ||
| Physical | 0.047 (0.75) | 0.084 (0.56) |
| Social | 0.29 (0.045) | 0.28 (0.055) |
| Cognitive | 0.10 (0.47) | 0.14 (0.35) |
| Vascular diseases | ||
| Stroke | 0.15 (0.29) | 0.23 (0.11) |
| Congestive heart failure | -0.13 (0.38) | -0.07 (0.64) |
| Claudication | -0.45 (0.0011) | -0.31 (0.030) |
| Myocardial infarction | -0.22 (0.13) | -0.10 (0.48) |
| Total number of vascular diseases reported | -0.44 (0.0016) | -0.25 (0.089) |
| Vascular disease risk factors | ||
| Hypertension | -0.23 (0.10) | -0.09 (0.55) |
| Diabetes mellitus | -0.14 (0.34) | -0.03 (0.82) |
| Smoker | 0.09 (0.52) | -0.04 (0.78) |
| Total number of vascular risk factors reported | -0.14 (0.32) | -0.09 (0.53) |
Correlation coefficients in boldface had p<0.05.