| Value | Category | Cases | |
|---|---|---|---|
| 1 | Regular day shift | 1565 |
34.5%
|
| 2 | Regular evening shift | 6 |
0.1%
|
| 3 | Regular night shift | 39 |
0.9%
|
| 4 | Shift rotates | 405 |
8.9%
|
| 5 | Irregular schedule of hours | 857 |
18.9%
|
| 6 | Other | 1658 |
36.6%
|
| Sysmiss | 15902 |