| Value |
Category |
| 0 |
Less than 30 min |
| 1 |
less than 1 hour |
| 2 |
one - three hours |
| 3 |
Three to six hours |
| 4 |
six to eight hours |
| 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.
