Table 5 Kendall’s rank correlation (Kendall’s tau) between activity area measures and self-assessed score and timed mobility test results
Minimum convex polygon activity area | Kernel smoothing activity area | ||||
|---|---|---|---|---|---|
Correlation (tau) | 95% CI | Correlation (tau) | 95% CI | ||
Disability score | Cases | −0.02 | −0.592, 0.547 | −0.15 | −0.678, 0.360 |
Controls | −0.05 | −0.686, 0.594 | −0.05 | −0.530, 0.438 | |
Mobility score | Cases | −0.04 | −0.481, 0.391 | −0.13 | −0.666, 0.396 |
Controls | 0.11 | −0.355, 0.566 | −0.11 | −0.566, 0.355 | |
10 m walking test (m/s) | Cases | 0.45 | 0.030, 0.869 | 0.58 | 0.193, 0.976 |
Controls | 0.31 | −0.163, 0.792 | 0.31 | −0.235, 0.864 | |
Timed up and go (m/s) | Cases | −0.42 | −0.797, −0.048 | −0.47 | −0.933, −0.001 |
Controls | −0.38 | −0.767, 0.011 | −0.38 | −0.900, 0.145 | |