| Factor | HR (99% CI) | p value |
|---|---|---|
| Age (per decade) | 0.87 (0.86-0.88) | < 0.0001 |
| Salary (per $1000/wk) | 0.95 (0.92-0.99) | 0.0003 |
| Sex | ||
| Female v. male (reference) | 0.88 (0.85-0.90) | < 0.0001 |
| Job demands | ||
| Heavy v. sedentary (reference) | 0.93 (0.90-0.96) | < 0.0001 |
| Light v. sedentary (reference) | 0.99 (0.97-1.02) | 0.5 |
| Province | ||
| Quebec v. other (reference) by psychological disorder | 0.69 (0.63-0.74) | < 0.0001 |
| Quebec v. other (reference) by musculoskeletal complaint | 1.15 (1.10-1.22) | 0.008 |
| Quebec v. other (reference group) by other illness | 1.08 (1.04-1.12) | 0.0003 |
| Comorbidity | ||
| Yes v. no (reference group) | 0.65 (0.63-0.67) | < 0.0001 |
| Attendance at SSQ-arranged independent medical evaluation | ||
| Yes v. no (reference group) | 0.23 (0.20-0.27) | < 0.0001 |
| Receipt of SSQ-funded rehabilitation | ||
| Yes v. no (reference group) | 0.21 (0.18-0.25) | < 0.0001 |
| Duration of claim approval (wk) | 0.95 (…0.95-0.96) | < 0.0001 |
Note: CI = confidence interval, HR = hazard ratio. HR > 1 is associated with shorter claim duration; HR < 1 is associated with longer claim duration.