| Value |
Category |
| 1 |
Person does shift work |
| 2 |
Person never does shift work |
| 10 |
|
| 20 |
|
| 30 |
|
| 40 |
|
| 45 |
|
| 48 |
|
| 50 |
|
| 52 |
|
| 55 |
|
| 60 |
|
| 70 |
|
| Sysmiss |
|
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.