| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 276 |
23%
|
| 1 | Sometimes | 524 |
43.7%
|
| 2 | Always | 378 |
31.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 22 |
1.8%
|