| Scale | Item | Mean | SD |
| Severity items | Pain worst | 5.74 | 3.12 |
| Pain least | 2.72 | 3.30 | |
| Pain average | 4.78 | 3.14 | |
| Pain now | 3.55 | 3.47 | |
| Interference items | General activity | 8.10 | 3.11 |
| Mood | 3.90 | 3.68 | |
| Walking ability | 5.23 | 3.04 | |
| Work | 8.37 | 2.92 | |
| Relations with others | 2.40 | 3.54 | |
| Sleep | 3.39 | 4.11 | |
| Enjoyment of life | 3.21 | 3.82 |