Table 2 Distribution and reliability of all three sections and global score of LAI
Scales | Mean (SD) | Median (Interquartile range) | Percent at floor/celling | Cronbach’s alpha | Test–retest (ICC) |
|---|---|---|---|---|---|
Pain or discomfort | 4.58 (1.72) | 5 (1–8) | 0/4.6 | 0.66 | 0.89 |
Maximum distance walked | 1.48 (1.44) | 1 (0–7) | 27.7/0 | 0.97 | |
Activities of daily living | 3.18 (1.80) | 3 (1–7) | 0/0 | 0.91 | 0.96 |
LAI global index | 9.23 (4.58) | 8.75 (2–20) | 0/0 | 0.88 | 0.97 |