| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 89 |
7.9%
|
| 1 | Sometimes | 600 |
53.6%
|
| 2 | Often | 431 |
38.5%
|
| Sysmiss | DK | 0 | |
| Sysmiss | RF | 0 | |
| Sysmiss | 66 |