Background
Objective
Methods
Design
Participants
The process of return to work after sick leave in the company
Variables in the study
Dependent variable
Explanatory variables
Analysis
Results
Characteristics of the participants
Work-related factors
Duration of sick leave
Variables | n | % | Mean | SD |
---|---|---|---|---|
Socio-demographic | ||||
Age at start of sick leave (years) | 38.3 | 7.39 | ||
20–29 | 26 | 12.6 | ||
30–39 | 96 | 46.4 | ||
40–49 | 72 | 34.8 | ||
≧ 50 | 13 | 6.3 | ||
Sex | ||||
Male | 168 | 81.2 | ||
Female | 39 | 18.8 | ||
Age at employment (years) | 25.6 | 3.81 | ||
< 25 | 93 | 44.9 | ||
25–29 | 86 | 41.5 | ||
≧ 30 | 28 | 13.5 | ||
Tenure (years) | 14.9 | 8.13 | ||
< 5 | 22 | 10.6 | ||
5–9 | 32 | 15.5 | ||
10–19 | 87 | 42.0 | ||
≧ 20 | 66 | 31.9 | ||
Clinical | ||||
Number of previous sick leave | ||||
0 | 141 | 68.1 | ||
1 | 37 | 17.9 | ||
2≦ | 29 | 14.0 | ||
Diagnosis | ||||
Major depressive disorder | 104 | 50.2 | ||
Adjustment disorder | 57 | 27.5 | ||
Bipolar disorder | 13 | 6.3 | ||
Anxiety disorder | 7 | 3.4 | ||
Schizophrenia | 7 | 3.4 | ||
Others | 19 | 9.2 | ||
Duration of sickness absence (days) | 235.8 | 228.4 | ||
Work related | ||||
Employee rank | ||||
Manager | 36 | 17.4 | ||
Senior staff | 101 | 48.8 | ||
Normal staff | 62 | 30.0 | ||
Assistant staff | 8 | 3.9 |
Univariate analysis
Variables | Estimated mean days of sick leave | SE | 95% CI | χ2 | Degree of freedom |
p
| |
---|---|---|---|---|---|---|---|
Lower | Upper | ||||||
Socio-demographic | |||||||
Age at start of sick leave | |||||||
20–29 | 215.9 | 40.5 | 136.5 | 295.3 | 4.07 | 3 | 0.254 |
30–39 | 346.1 | 35.7 | 276.0 | 416.1 | |||
40–49 | 331.8 | 41.8 | 250.0 | 413.7 | |||
≧ 50 | 218.1 | 73.6 | 73.8 | 362.5 | |||
Sex | |||||||
Male | 318.6 | 26.9 | 265.9 | 371.3 | 0.33 | 1 | 0.564 |
Female | 327.9 | 50.5 | 228.8 | 427.0 | |||
Age at start of employment (years) | |||||||
< 25 | 331.8 | 36.4 | 260.5 | 403.0 | 1.16 | 2 | 0.561 |
25–29 | 339.0 | 40.3 | 259.9 | 418.0 | |||
≧ 30 | 235.1 | 44.3 | 148.2 | 322.0 | |||
Tenure (years) | |||||||
< 5 | 240.6 | 50.8 | 141.0 | 340.2 | 4.12 | 3 | 0.249 |
5–9 | 289.6 | 61.9 | 168.2 | 410.9 | |||
10–19 | 322.4 | 35.2 | 253.4 | 391.5 | |||
≧ 20 | 371.6 | 46.2 | 281.1 | 462.1 | |||
Clinical | |||||||
Number of previous sick leave | |||||||
0 | 282.9 | 26.4 | 231.3 | 334.6 | 8.36 | 2 | 0.015 |
1–2 | 367.5 | 62.4 | 245.1 | 489.8 | |||
≧ 3 | 444.8 | 72.7 | 302.4 | 587.3 | |||
Diagnosis | |||||||
Major depressive disorder | 330.2 | 33.3 | 265.0 | 395.4 | 13.96 | 5 | 0.016 |
Adjustment disorder | 237.8 | 40.9 | 157.7 | 317.9 | |||
Bipolar disorder | 389.8 | 171.3 | 54.0 | 725.5 | |||
Anxiety disorder | 506.2 | 145.1 | 221.8 | 790.6 | |||
Schizophrenia | 586.9 | 130.0 | 332.0 | 841.7 | |||
Others | 328.2 | 69.8 | 191.4 | 465.0 | |||
Work related | |||||||
Employee rank | |||||||
Manager | 304.7 | 47.4 | 211.8 | 397.7 | 10.80 | 3 | 0.013 |
Senior staff | 260.8 | 30.8 | 200.4 | 321.1 | |||
Normal staff | 378.0 | 45.6 | 288.7 | 467.4 | |||
Assistant staff | 663.3 | 123.4 | 421.4 | 905.1 |
Multivariate analysis
Predictor |
B
|
SE
| Wald |
Degree of freedom
|
p
| Exp (B) | Hazard ratio | |
---|---|---|---|---|---|---|---|---|
Lower | Upper | |||||||
Socio-demographic | ||||||||
Age at start of sick leavea | 15.66 | 3 | 0.001 | |||||
20–29 | 1.00 | Reference | ||||||
30–39 | − 1.05 | 0.31 | 11.44 | 1 | 0.001 | 0.35 | 0.19 | 0.64 |
40–49 | − 1.19 | 0.37 | 10.61 | 1 | 0.001 | 0.30 | 0.15 | 0.62 |
≧ 50 | − 0.28 | 0.50 | 0.32 | 1 | 0.57 | 0.75 | 0.28 | 2.00 |
Sexa | ||||||||
Male | 1.00 | Reference | ||||||
Female | − 0.05 | 0.24 | 0.05 | 1 | 0.83 | 0.95 | 0.60 | 1.51 |
Clinical | ||||||||
Number of previous sick leaveb | 6.39 | 2 | 0.04 | |||||
0 | 1.00 | Reference | ||||||
1 | − 0.24 | 0.25 | 0.91 | 1 | 0.34 | 0.79 | 0.48 | 1.29 |
2≦ | − 0.71 | 0.29 | 6.16 | 1 | 0.01 | 0.49 | 0.28 | 0.86 |
Work related | ||||||||
Employee rankb | 20.12 | 3 | < 0.001 | |||||
Manager | 1.00 | Reference | ||||||
Senior staff | 0.44 | 0.28 | 2.49 | 1 | 0.12 | 1.55 | 0.90 | 2.66 |
Normal staff | − 0.44 | 0.35 | 1.53 | 1 | 0.22 | 0.65 | 0.32 | 1.29 |
Assistant staff | − 2.12 | 0.79 | 7.23 | 1 | 0.01 | 0.12 | 0.03 | 0.56 |