| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 212 |
9%
|
| 1 | Rarely | 570 |
24.1%
|
| 2 | Often | 721 |
30.5%
|
| 3 | Always | 624 |
26.4%
|
| 9 | Don't know | 236 |
10%
|
| 998 | Refused | 0 |
0%
|