Table 2.
Prevalence rates of chronic pain
| Criteria | N | % (95% CI) | Missing data | Valid cases |
|---|---|---|---|---|
| Constant or frequently recurrent pain since > 3 months |
710 |
28.3 (26.6- 30.2) |
6 |
2502 |
| Non-malignant pain |
673 |
26.9 (25.2-28.6) |
|
|
| Malignant pain |
37 |
1.4 (1.35-1.45) |
|
|
| SF-8 bodily pain intensity last 4 weeks (malignant pain excluded) |
|
|
7 |
2464 |
| None |
1802 |
73.1 (71.3-74.9) |
|
|
| Very slight |
27 |
1.0 (0.9-1.1) |
|
|
| Slight |
106 |
4.2 (3.4-5.0) |
|
|
| Moderate |
371 |
15.0 (13.6-16.4) |
|
|
| Strong |
141 |
5.7 (4.6-6.6) |
|
|
| Very strong |
17 |
0.1 (0.08-0.12) |
|
|
| SF-8 bodily pain very slight to very severe intensity last 4 weeks (malignant pain excluded) duration |
|
|
6 |
663 |
| 3-6 months |
88 |
13.2 (10.2-15.8) |
|
|
| 7-12 months |
64 |
9.7 (7.5-11.9) |
|
|
| 1-3 years |
181 |
27.3 (23.9-30.7) |
|
|
| 3-5 years |
145 |
21.9 (18.8-25.0) |
|
|
| 5-10 years |
101 |
15.2 (12.5-17.9) |
|
|
| > 10 years |
84 |
12.7 (10.2-14.2) |
|
|
| Chronic pain stages (referred to total sample) |
|
|
2 |
2452 |
| I |
271 |
11.1 (9.8-12.2) |
|
|
| II |
207 |
8.4 (7.3-9.5) |
|
|
| III |
122 |
5.0 (4.1-5.8) |
|
|
| IV |
60 |
2.4 (1.9-2.9) |
|
|
| Chronic pain stages (referred to persons with chronic non-malignant pain) |
|
|
2 |
660 |
| I |
271 |
41.1 (37.4-44.8) |
|
|
| II |
207 |
31.4 (27.9-34.9) |
|
|
| III |
122 |
18.5 (15.5-21.5) |
|
|
| IV | 60 | 9.0 (7.9-11.2) |