| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 782 |
54.7%
|
| 1 | 1. once a day | 171 |
12%
|
| 2 | 2. 2 or more times a day | 404 |
28.3%
|
| 3 | 3. once a week | 53 |
3.7%
|
| 4 | 4. once a month | 19 |
1.3%
|
| Sysmiss | 134 |