| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 254 |
21.2%
|
| 1 | Sometimes | 360 |
30%
|
| 2 | Often | 250 |
20.8%
|
| 3 | Always | 158 |
13.2%
|
| 9 | Do not know | 176 |
14.7%
|
| 98 | Refused | 2 |
0.2%
|