| Value |
Category |
| 1 |
at least 4 times per week |
| 2 |
1-3 times per week |
| 3 |
less than once per week |
| 4 |
never |
| 7 |
do not remember |
| 9 |
no response |
| Sysmiss |
|
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.