| Value |
Category |
| 1 |
One week or less |
| 2 |
More than a week, less than a month |
| 3 |
More than one month, less than three months |
| 4 |
More than 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.