Value |
Category |
1 |
less than 1 hr |
2 |
1-3 hours |
3 |
4-6 hours |
4 |
6-24 hours |
5 |
more than 24 hours |
6 |
don’t know |
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.