| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 275 |
22.9%
|
| 1 | Sometimes | 596 |
49.7%
|
| 2 | Always | 316 |
26.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 13 |
1.1%
|