| Value |
Category |
| 0 |
Less than 30mins |
| 1 |
Less than 1 hr |
| 2 |
1-3 hrs |
| 3 |
3-6 hours |
| 4 |
6-8 hrs |
| 5 |
more than 8 hrs |
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.
