| Value |
Category |
| 1 |
1=5 or more days a week |
| 2 |
2=1-4 days a week |
| 3 |
3=1-3 days a month |
| 4 |
4=less than once a month |
| 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.