| Value |
Category |
| 1 |
Less than 2 days in total over a three month period |
| 2 |
2 to 7 days in total over a three month period |
| 3 |
8 to 14 days in total over a three month period |
| 4 |
More than a 14 days in total over a three month period |
| 5 |
Do not know |
| 9 |
Unspecified |
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.
