Value |
Category |
1 |
Within 1/2 hour |
2 |
1/2 to 1 hour away |
3 |
1 hour to 6 hours |
4 |
6 to 12 hours |
5 |
Over 12 hours |
9 |
Undefined |
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.