| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 31 |
2.8%
|
| 1 | Sometimes | 414 |
36.9%
|
| 2 | Often | 678 |
60.4%
|
| Sysmiss | DK | 0 | |
| Sysmiss | RF | 0 | |
| Sysmiss | 63 |