Table 3.

Study on recurrent sick leave factors observed in propensity score-matched cohort (n = 100).

		Univariate Cox regression			Multivariate Cox regression
		p	Hazard ratio	95% CI	p	Hazard ratio	95% CI
Age	20–29 [ref]	0.009**	1		0.006**	1
	30–39	0.024*	0.379	0.163–0.883	0.007**	0.302	0.127–0.720
	40–49	0.001**	0.137	0.042–0.449	0.001**	0.131	0.040–0.428
	50–59	0.233	0.450	0.121–1.671	0.084	0.307	0.080–1.173
Sex	Male [ref]/female	0.283	0.561	0.195–1.611
Diagnosis	Unipolar[ref]/bipolar	0.644	0.797	0.304–2.089
The number of sick leaves		0.775	0.948	0.660–1.364
Total sick leave period (month)		0.663	0.990	0.947–1.036
RP utilization	RP + TAU [ref]/TAU	0.011	2.712	1.259–5.842	0.009**	2.871	1.302–6.331
Type of business	Information technology [ref]/others	0.477	0.764	0.363–1.606
Company size	<1,000 employees [ref]/1,000 or more employees	0.793	0.903	0.422–1.934

RP, Re-work program; TAU, Treatment as usual; 95% CI, 95% confidence interval.

^*p < 0.05;

^**p < 0.01.