Annual withdrawal rate from the labour force due to official work disability in patients with ankylosing spondylitis for five classes of work and ratios when compared with the general population
| Male patients | Female patients | All patients | ||||
|---|---|---|---|---|---|---|
| Withdrawal rate (%) | SIR | Withdrawal rate (%) | SIR (95% CI) | Withdrawal rate (%) | SIR (95% CI) | |
| SIR, standardised incidence ratios of withdrawal. | ||||||
| Manual job | 3.9 | 5.2 (3.6 to 6.4) | 3.5 | 2.4 (0.1 to 4.7) | 4.2 | 4.9 (3.5 to 5.9) |
| Agriculture | 0 | – | 11.6 | 5.4 | 1.3 | 1.0 |
| Industry | 4.1 | 5.3 | 3.2 | 2.2 | 4.3 | 4.9 |
| Transport | 4.5 | 7.2 | 0 | – | 4.9 | 6.8 |
| Non-manual job | 1.3 | 2.1 (1.3 to 2.8) | 2.8 | 2.2 (1.3 to 3.1) | 2.0 | 2.2 (1.6 to 2.7) |
| Commercial | 1.0 | 1.9 | 3.5 | 3.0 | 1.9 | 2.3 |
| Service | 1.4 | 2.1 | 2.7 | 2.1 | 2.1 | 2.1 |
| All jobs | 2.3 | 3.4 (2.6 to 4.1) | 2.9 | 2.2 (1.4 to 3.1) | 2.7 | 3.0 (2.5 to 3.6) |