Table 1 Descriptive data of the study sample
| Patient characteristic (n = 611) | |
|---|---|
| Age (years), mean (SD) | 52 (13) |
| Age categories (years), n | |
| 19–30 | 33 |
| 31–40 | 85 |
| 41–50 | 135 |
| 51–60 | 187 |
| 61–70 | 123 |
| 71–87 | 48 |
| Women (%) | 63 |
| Sick leave within 3 months (%) | 40 |
| Neck pain intensity, (NRS 0–10), mean (SD) | 5.5 (2.5) |
| Arm pain intensity, (NRS 0–10), mean (SD) | 4.5 (3.1) |
| Activity limitation (NDI) (%), mean (SD) | 38 (17) |