Table 1.
Percentages of problems in five dimensions and EQ-5D scores in the questionnaire survey on musculoskeletal pain
| Age (years) | Men | Women | ||||
|---|---|---|---|---|---|---|
| No pain | Low back pain | No pain | Low back pain | |||
| Without IDA | With IDA | Without IDA | With IDA | |||
| All | ||||||
| Number of subjects | 1835 | 585 | 151 | 1052 | 470 | 100 |
| Percentages of problemsa | ||||||
| Mobility | 0.7 | 3.4 | 8.6*** | 1.0 | 5.4 | 8.0*** |
| Self-care | 0.1 | 0.0 | 2.0*** | 0.2 | 0.5 | 1.0 |
| Usual activities | 0.5 | 2.1 | 4.6*** | 0.5 | 4.1 | 13.0*** |
| Pain/discomfort | 3.6 | 35.0 | 48.3*** | 7.2 | 49.7 | 67.0*** |
| Anxiety/depression | 6.5 | 9.7 | 9.9* | 10.4 | 18.4 | 20.0*** |
| EQ-5D score (mean ± SD) | 0.91 ± 0.04 | 0.86 ± 0.09 | 0.82 ± 0.16*** | 0.90 ± 0.06 | 0.83 ± 0.14 | 0.78 ± 0.15*** |
| 20–39 | ||||||
| Number of subjects | 391 | 102 | 24 | 307 | 104 | 16 |
| Percentages of problemsa | ||||||
| Mobility | 0.5 | 1.0 | 4.2 | 0.3 | 0.0 | 0.0 |
| Self-care | 0.3 | 0.0 | 0.0 | 0.3 | 0.0 | 0.0 |
| Usual activities | 1.3 | 2.0 | 4.2 | 0.3 | 2.3 | 6.3* |
| Pain/discomfort | 4.6 | 28.4 | 37.5*** | 6.2 | 44.3 | 43.8*** |
| Anxiety/depression | 7.9 | 11.8 | 8.3 | 13.4 | 28.4 | 18.8** |
| EQ-5D score (mean ± SD) | 0.90 ± 0.06 | 0.87 ± 0.09 | 0.84 ± 0.14*** | 0.90 ± 0.04 | 0.83 ± 0.12 | 0.82 ± 0.18*** |
| 40–59 | ||||||
| Number of subjects | 1253 | 408 | 109 | 643 | 309 | 72 |
| Percentages of problemsa | ||||||
| Mobility | 0.5 | 3.7 | 6.4*** | 0.9 | 5.5 | 8.3*** |
| Self-care | 0.0 | 0.0 | 0.9*** | 0.2 | 0.0 | 1.4 |
| Usual activities | 0.4 | 1.7 | 2.8** | 0.6 | 3.8 | 9.7*** |
| Pain/discomfort | 3.4 | 37.7 | 45.9*** | 7.3 | 51.5 | 68.1*** |
| Anxiety/depression | 6.3 | 9.6 | 10.1* | 9.6 | 15.6 | 20.8** |
| EQ-5D score (mean ± SD) | 0.91 ± 0.04 | 0.86 ± 0.10 | 0.83 ± 0.14*** | 0.90 ± 0.06 | 0.83 ± 0.11 | 0.78 ± 0.16*** |
| 60+ | ||||||
| Number of subjects | 191 | 75 | 18 | 102 | 57 | 12 |
| Percentages of problemsa | ||||||
| Mobility | 2.1 | 5.3 | 27.8*** | 3.9 | 15.6 | 16.7* |
| Self-care | 0.0 | 0.0 | 11.0*** | 0.0 | 4.4 | 0.0 |
| Usual activities | 0.0 | 4.0 | 16.7*** | 0.0 | 8.9 | 41.7*** |
| Pain/discomfort | 3.1 | 29.3 | 77.8*** | 9.8 | 51.1 | 91.7*** |
| Anxiety/depression | 4.7 | 8.0 | 11.1 | 5.9 | 13.3 | 16.7 |
| EQ-5D score (mean ± SD) | 0.91 ± 0.03 | 0.87 ± 0.07 | 0.69 ± 0.24*** | 0.90 ± 0.07 | 0.79 ± 0.25 | 0.77 ± 0.07*** |
IDA, interference with daily activities
* P < 0.05; ** P < 0.01; *** P < 0.001 (difference among the three groups)
aPeople who reported some/moderate or extreme problems of the dimension were counted as having problems in the dimension