| Value | Category | Cases | |
|---|---|---|---|
| 0 | not at all | 1225 |
41.5%
|
| 1 | less than once a week | 457 |
15.5%
|
| 2 | at least once a week | 344 |
11.7%
|
| 3 | almost every day | 925 |
31.3%
|
| Sysmiss | 3 |