Value | Category |
---|---|
-4 | Missing data |
-3 | Refused to answer |
-2 | Not applicable |
-1 | Don't know |
1 | Less than 15 minutes |
2 | between 15 minutes and 30 minutes |
3 | more than 30 minutes but less than 1 hour |
4 | 1 hour to less than 1.5 hours |
5 | 1.5 to less than 2 hours |
6 | 2 hours or more |