Association between individual disposable income and long duration troublesome neck pain in cohort II (occasional neck pain at baseline), presented with ORs
| Men (n=4244) | Women (n=6279) | ||||
| Individual disposable income (Swedish kroner/year) | Cases/non-cases | Crude OR (95% CI) | Adjusted OR* (95% CI) | Crude OR (95% CI) | Adjusted OR† (95% CI) |
| ≥207 500 (ref) | 229/2209 | 1 | 1 | 1 | 1 |
| 154 200–207 499 | 261/2301 | 1.0 (0.8 to 1.4) | 1.0 (0.8 to 1.4) | 1.1 (0.9 to 1.4) | 1.1 (0.9 to 1.4) |
| 115 300–154 199 | 292/2311 | 1.2 (1.0 to 1.7) | 1.2 (0.9 to 1.6) | 1.2 (1.0 to 1.5) | 1.2 (1.0 to 1.5) |
| 0–115 299 | 372/2420 | 1.6 (1.2 to 2.1) | 1.6 (1.2 to 2.1) | 1.4 (1.1 to 1.8) | 1.3 (1.0 to 1.6) |