| Value |
Category |
| 1 |
Less than 1 week |
| 2 |
Betw 1 week and 1 month |
| 3 |
Between 1 and 3 months |
| 4 |
Over 3 months |
| 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.