| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 743 |
32%
|
| 1 | Only sometimes | 552 |
23.8%
|
| 2 | Often | 552 |
23.8%
|
| 3 | Always | 320 |
13.8%
|
| 9 | Don't know | 157 |
6.8%
|
| 998 | Refused | 0 |
0%
|