| Value |
Category |
| 1 |
More than once a day |
| 2 |
Once a day |
| 3 |
Several times a week |
| 4 |
About once a week |
| 5 |
About once a month |
| 6 |
Never |
| 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.