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Comparison of age, sex, and diagnosis on sick note between all invited patients and those who participated in the study.
| n | Age | Women% | Pain | Psych. | Pain+ Psych. | |
| Invited to participate | 58 | 46 | 72 | * | * | * |
| Declined participation | 22 | 46 | 82 | * | * | * |
| Randomized | 36 | 46 | 67 | 27 | 6 | 3 |
| Control group | 15 | 48 | 67 | 11 | 3 | 1 |
| Intervention (intention to treat) | 18 | 44 | 61 | 13 | 3 | 2 |
| Intervention (completed) | 16 | 45 | 62 | 11 | 3 | 2 |
