Effects of a vocational rehabilitation programme on return to work among sick-listed primary health care patients: a population-based matched, case-control study

Table 2 Effects of rehabilitation versus standard treatment on sick leave conclusion

	Conditional proportional hazards regression analysis
Follow-up, days	n	Exposure	Parameter estimate (SD)	Wald’s χ²	HR^*	95% CI	p
1–14	151	Intervention vs control	−1.15 (0.24)	23.7	0.32	0.20–0.51	< 0.0001
15–112	196	Intervention vs control	−0.75 (0.15)	23.6	0.47	0.35–0.64	< 0.0001
113–365	85	Intervention vs control	−0.35 (0.22)	2.6	0.70	0.46–1.08	0.10
366–1096	78	Intervention vs control	0.15 (0.27)	0.30	1.16	0.69–1.96	0.58
Total follow up	510	Intervention vs control	−0.60 (0.10)	38.3	0.55	0.45–0.66	< 0.0001

^*Hazards ratio. Adjusted for triplet matching number (conditional analysis) and for remaining propensity score differences

ISSN: 2731-4553