| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 359 |
28.5%
|
| 1 | Only sometimes | 478 |
38%
|
| 2 | Often | 123 |
9.8%
|
| 3 | Always | 114 |
9.1%
|
| 9 | Don't know | 184 |
14.6%
|
| 998 | Refused | 0 |
0%
|
| Sysmiss | 6 |