| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 404 |
33.7%
|
| 1 | Sometimes | 491 |
40.9%
|
| 2 | Always | 257 |
21.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 48 |
4%
|