Multiple regression analysis of factors associated with work-related burnout (n=1329)
| Variables | Model 1 β (95% CI) | Model 2 β (95% CI) | Model 3 β (95% CI) | Model 4 β (95% CI) |
|---|---|---|---|---|
| Gender | ||||
| Male | 0 | 0 | 0 | 0 |
| Female | 5.2 (2.1 to 8.2)** | 5.4 (2.4 to 8.4)*** | 0.6 (−2.9 to 4.0) | 0.849 (−1.9 to 3.6) |
| Age (years) | ||||
| ≧50 | 0 | 0 | 0 | 0 |
| 40–49 | 6.1 (2.0 to 10.1)** | 6.1 (2.1 to 10.0)** | 4.6 (0.7 to 8.6)* | 3.8 (0.7 to 7.0)* |
| 30–39 | 10.3 (6.4 to 14.2)*** | 8.8 (4.9 to 12.6)*** | 6.1 (2.2 to 10.0)** | 6.5 (3.4 to 9.7)*** |
| <30 | 15.3 (10.7 to 19.9)*** | 12.6 (8.1 to 17.2)*** | 9.1 (4.5 to 13.7)*** | 10.3 (6.5 to 13.9)*** |
| Educational level | ||||
| High school | 0 | 0 | 0 | 0 |
| College/university | −2.0 (−5.8 to 1.7) | −2.9 (−6.5 to 0.7) | −1.7 (−5.2 to 1.9) | −0.8 (−3.6 to 2.1) |
| Graduate school | 2.2 (−3.3 to 7.7) | 0.7 (−4.7 to 6.1) | 1.3 (−3.9 to 6.7) | 0.4 (−3.8 to 4.6) |
| Marital status | ||||
| Married | 0 | 0 | 0 | 0 |
| Single | 0.8 (−1.6 to 3.1) | 1.0 (−1.2 to 3.3) | 1.4 (−0.8 to 3.6) | 0.2 (−1.6 to 1.9) |
| Work hours (weekly) | ||||
| Normal (≦44 h) | 0 | 0 | 0 | |
| Overtime (>44 h) | 9.7 (7.1 to 12.3)*** | 7.8 (5.2 to 10.5)*** | 2.9 (0.7 to 5.1)** | |
| Work shift | ||||
| Fixed shift | 0 | 0 | 0 | |
| In shift | 4.8 (2.6 to 7.1)*** | 1.9 (−0.5 to 4.3) | 0.7 (−1.2 to 2.7) | |
| Profession | ||||
| Medical technician | 0 | 0 | ||
| Administrative staff | 3.7 (0.3 to 7.0)* | 1.9 (−0.7 to 4.6) | ||
| Physician | 1.4 (−3.8 to 6.7) | 4.1 (−0.1 to 8.3) | ||
| Physician assistant | 12.7 (7.3 to 18.2)*** | 6.6 (2.2 to 11.0)** | ||
| Nurse | 12.9 (9.6 to 16.3)*** | 7.7 (4.9 to 10.4)*** | ||
| Job strain | ||||
| Low | 0 | |||
| Passive | 1.6 (−0.6 to 3.9) | |||
| Active | 7.5 (4.8 to 10.1)*** | |||
| High | 16.1 (13.4 to 18.7)*** | |||
| Overcommitment | ||||
| Never/seldom (0–25) | 0 | |||
| Sometimes (26–50) | 10.5 (7.6 to 13.4)*** | |||
| Often/always (≧51) | 24.9 (21.8 to 28.0)*** | |||
| Social support | ||||
| High (≧24) | 0 | |||
| Low (<24) | 6.4 (4.5 to 8.2)*** | |||
| R2 | 0.064 | 0.116 | 0.160 | 0.461 |
| Adjust R2 | 0.059 | 0.110 | 0.152 | 0.453 |
*p<0.05, **p<0.01, ***p<0.001.
Model 1 adjusted for gender, age, education and marriage.
Model 2 adjusted for variables of model 1 with additional adjustment for work hours and work shift.
Model 3 adjusted for variables of model 2 and profession.
Model 4 adjusted for variables of model 3 with additional adjustment for job strain, overcommitment and social support.