| Value | Category | Cases | |
|---|---|---|---|
| 1 | days (7am-7pm) | 688 |
60.9%
|
| 2 | evenings (7pm-10pm) | 20 |
1.8%
|
| 3 | nights (10pm-7am) | 10 |
0.9%
|
| 4 | rotating/shifting | 54 |
4.8%
|
| 55 | not applicable | 357 |
31.6%
|
| Sysmiss | 8446 |