| Value |
Category |
| 1 |
never |
| 2 |
less than once a week |
| 3 |
once or twice a week |
| 4 |
3 or 4 times a week |
| 5 |
every day |
| 6 |
not applicable |
| 8 |
not admin. |
| 9 |
missing |
| 11 |
.B |
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.