| Value |
Category |
| 1 |
30 minutes |
| 2 |
30-60 minutes |
| 3 |
24 hours |
| 4 |
More than 24 hours |
| 8 |
Don't remember |
| 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.