| Value |
Category |
| 0 |
|
| 1 |
Up to 10 minutes |
| 2 |
10 to 30 minutes |
| 3 |
From 30 minutes to 1 hour |
| 4 |
From 1:00 to 2:00 |
| 5 |
2 hours or more |
| 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.