| Value |
Category |
| 1 |
6 morning - 11:59 noon |
| 2 |
12 noon-7:59 evening |
| 3 |
8 evening -5:59 morning |
| 4 |
No determined time |
| 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.