| Value |
Category |
| 1 |
Regular day shift |
| 2 |
Regular evening shift |
| 3 |
Regular night shift |
| 4 |
Shift rotates |
| 5 |
Irregular schedule of hours |
| 6 |
Other |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.