Table 2.
Univariate Cox regression | Multivariate Cox regression | ||||||
---|---|---|---|---|---|---|---|
p | Hazard ratio | 95% CI | p | Hazard ratio | 95% CI | ||
Age (years old) | 20–29 [ref] | 0.040* | 1 | 0.073 | 1 | ||
30–39 | 0.010** | 0.479 | 0.273–0.841 | 0.012* | 0.485 | 0.276–0.852 | |
40–49 | 0.010* | 0.440 | 0.236–0.822 | 0.064 | 0.547 | 0.289–1.036 | |
50–59 | 0.236 | 0.626 | 0.288–1.358 | 0.669 | 0.840 | 0.379–1.863 | |
Sex | Male [ref]/female | 0.915 | 1.029 | 0.613–1.727 | |||
Diagnosis | Unipolar[ref]/bipolar | 0.548 | 0.843 | 0.483–1.471 | |||
The number of sick leaves | 0.389 | 1.069 | 0.918–1.246 | ||||
Total sick leave period (month) | 0.201 | 1.011 | 0.994–1.028 | ||||
RP utilization | RP + TAU [ref]/TAU | 0.001** | 2.067 | 1.358–3.146 | 0.001** | 2.121 | 1.360–3.309 |
Type of business | Information technology [ref]/others | 0.009** | 0.574 | 0.377–0.872 | |||
Company size | <1,000 employees [ref]/1,000 or more employees | 0.665 | 1.117 | 0.678–1.839 |
RTW, Return to work; RP, Re-work program; TAU, Treatment as usual; 95% CI, 95% confidence interval.
p < 0.05;
p <0.01.