Value |
Category |
1 |
less than 0.5 hour |
2 |
0.5-1 hour |
3 |
1-4 hours |
4 |
4-8 hours |
5 |
more than 8 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.