Table 2.
Results of the GEE analyzing the effect of shift work status
| EQ-5D | |||
|---|---|---|---|
| β* | S.E | P-value | |
| Shift work status | |||
| Day work | Ref | ||
| Night work | −0.9757 | 0.4201 | 0.0202 |
| Rotating shift work | −0.7947 | 0.3796 | 0.0363 |
| Age | |||
| 20-29 | Ref | ||
| 30–39 | −0.0904 | 0.3106 | 0.7710 |
| 40–49 | −0.3875 | 0.3467 | 0.2638 |
| 50–59 | −1.1883 | 0.3846 | 0.0020 |
| Household income | |||
| Low | Ref | ||
| Low-middle | 0.3975 | 0.2517 | 0.1144 |
| Middle-high | 0.7197 | 0.2497 | 0.0039 |
| High | 0.852 | 0.2392 | 0.0004 |
| Education level | |||
| Middle school | Ref | ||
| High school | 1.6449 | 0.3358 | <0.0001 |
| University or above | 1.7803 | 0.373 | <0.0001 |
| Existence of spouse | |||
| Yes | Ref | ||
| No | −0.8173 | 0.2375 | 0.0006 |
| Employment status | |||
| Permanent | Ref | ||
| Precarious | −0.3441 | 0.1706 | 0.0437 |
| Occupational classification | |||
| White collar | Ref | ||
| Blue collar | −0.0535 | 0.2147 | 0.8033 |
| Sales and service worker | −0.4582 | 0.2432 | 0.0595 |
| Full time/part time | |||
| Full time | Ref | ||
| Part time | −0.1665 | 0.2636 | 0.5275 |
| Number of chronic diseases | |||
| 0 | Ref | ||
| 1 | −0.6876 | 0.1889 | 0.0003 |
| 2 | −1.2997 | 0.2533 | < 0.0001 |
| 3 | −1.8803 | 0.3869 | < 0.0001 |
| 4 or above | −3.8003 | 0.439 | < 0.0001 |
| Year | |||
| 2011 | Ref | ||
| 2012 | 0.1106 | 0.1569 | 0.4809 |
| 2013 | −0.1832 | 0.1541 | 0.2343 |
*EQ-5D score is expressed as mean ± SD