| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 99 |
8.3%
|
| 1 | Sometimes | 298 |
24.9%
|
| 2 | Often | 161 |
13.4%
|
| 3 | Always | 572 |
47.7%
|
| 9 | Don't know | 67 |
5.6%
|
| 98 | Refused | 0 |
0%
|