| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 325 |
25.9%
|
| 1 | Only sometimes | 559 |
44.5%
|
| 2 | Often | 73 |
5.8%
|
| 3 | Always | 77 |
6.1%
|
| 9 | Don't know | 222 |
17.7%
|
| 998 | Refused | 0 |
0%
|