| Value |
Category |
| -999 |
No response |
| -888 |
Do not know |
| 1 |
Less than 1 hour |
| 2 |
Within 1- 24 hours |
| 3 |
More than 24 hours |
| 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.