| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 51 |
5.1%
|
| 2 | At least once a week | 204 |
20.4%
|
| 3 | Less than once a week | 237 |
23.7%
|
| 4 | Not at all | 497 |
49.6%
|
| 9 | Missing | 13 |
1.3%
|
| Sysmiss | 455 |