Value |
Category |
1 |
Less than 1 hr |
2 |
1-2 hrs |
3 |
2-3 hrs |
4 |
3-4 hrs |
5 |
4-5 hrs |
6 |
6-8 hrs |
7 |
more than 8hrs |
98 |
|
99 |
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.