| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. frequently | 497 |
23.4%
|
| 2 | 2. occasionally | 645 |
30.4%
|
| 3 | 3. never | 926 |
43.6%
|
| 4 | 4. don’t know | 54 |
2.5%
|
| Sysmiss | 2071 |