| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. frequently | 623 |
29.4%
|
| 2 | 2. occasionally | 612 |
28.8%
|
| 3 | 3. never | 847 |
39.9%
|
| 4 | 4. don’t know | 40 |
1.9%
|
| Sysmiss | 2071 |