| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 250 |
20.8%
|
| 1 | Sometimes | 532 |
44.3%
|
| 2 | Always | 271 |
22.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 147 |
12.3%
|