Table 3: Determining factors predictive of time to long-term disability benefits duration based on multivariable Cox regression analysis.

Factor	HR (99% CI)	p value
Age (per decade)	0.82 (0.80-0.83)	< 0.0001
Salary (per $1000/wk)	1.02 (0.97-1.08)	0.4
Sex
Female v. male (reference)	0.94 (0.90-0.98)	0.0001
Job demands
Heavy v. sedentary (reference)	0.94 (0.89-0.99)	0.002
Light v. sedentary (reference)	1.02 (0.98-1.07)	0.2
Province
Quebec vs. other (reference) by psychological disorder	1.54 (1.38-1.71)	< 0.0001
Quebec v. other (reference) by musculoskeletal compliant	1.39 (1.28-1.51)	0.0003
Quebec v. other (reference) by other illness	1.19 (1.10-1.28)	< 0.0001
Comorbidity
Yes v. no (reference)	0.75 (0.72-0.79)	< 0.0001
Attendance at SSQ-arranged independent medical evaluation
Yes v. no (reference)	0.57 (0.53-0.61)	< 0.0001
Receipt of SSQ-funded rehabilitation
Yes v. no (reference)	0.55 (0.52-0.59)	< 0.0001
Duration of claim approval (wk)	0.93 (0.92-0.94)	< 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.