Table 7. Degree of Interference with Daily Life Activities (n = 451).
| Variable | Visit 1 | Visit 2 | Visit 3 | Visit 4 | p-value* |
|---|---|---|---|---|---|
| General activity | < 0.001 | ||||
| Mean ± SD | 6.87 ± 2.22 | 5.65 ± 2.32 | 5.08 ± 2.47 | 4.77 ± 2.59 | |
| Median (range) | 7 (0–10) | 6 (0–10) | 5 (0–10) | 5 (0–10) | |
| Mood | < 0.001 | ||||
| Mean ± SD | 6.83 ± 2.28 | 5.55 ± 2.42 | 4.98 ± 2.58 | 4.67 ± 2.73 | |
| Median (range) | 7 (0–10) | 6 (0–10) | 5 (0–10) | 4 (0–10) | |
| Ability to walk | < 0.001 | ||||
| Mean ± SD | 6.24 ± 2.79 | 5.21 ± 2.62 | 4.68 ± 2.67 | 4.33 ± 2.74 | |
| Median (range) | 7 (0–10) | 5 (0–10) | 5 (0–10) | 4 (0–10) | |
| Ability to perform normal work | < 0.001 | ||||
| Mean ± SD | 6.89 ± 2.28 | 5.72 ± 2.33 | 5.16 ± 2.47 | 4.83 ± 2.60 | |
| Median (range) | 7 (0–10) | 6 (0–10) | 5 (0–10) | 5 (0–10) | |
| Relations with others | < 0.001 | ||||
| Mean ± SD | 5.91 ± 2.92 | 4.82 ± 2.64 | 4.42 ± 2.65 | 4.13 ± 2.71 | |
| Median (range) | 7 (0–10) | 5 (0–10) | 4 (0–10) | 4 (0–10) | |
| Sleep | < 0.001 | ||||
| Mean ± SD | 6.07 ± 2.86 | 4.85 ± 2.72 | 4.27 ± 2.79 | 4.00 ± 2.91 | |
| Median (range) | 7 (0–10) | 5 (0–10) | 4 (0–10) | 3 (0–10) | |
| Enjoyment of life | < 0.001 | ||||
| Mean ± SD | 6.45 ± 2.72 | 5.44 ± 2.62 | 4.81 ± 2.70 | 4.56 ± 2.83 | |
| Median (range) | 7 (0–10) | 5 (0–10) | 5 (0–10) | 4 (0–10) |
SD: standard deviation.
*Wilcoxon signed-rank test.