| Value |
Category |
| 0 |
< 30 mins |
| 1 |
30 mins to 1 hour |
| 2 |
1 to 2 hrs |
| 3 |
2 to 3 hrs |
| 4 |
3 to 4 hrs |
| 5 |
> 5 hrs |
| 8 |
Don’t know |
| 9 |
Not applicable |
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.