| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 736 |
30.6%
|
| 1 | Rarely | 850 |
35.3%
|
| 2 | Often | 439 |
18.2%
|
| 3 | Always | 71 |
2.9%
|
| 9 | Don't know | 310 |
12.9%
|
| 998 | Refused | 0 |
0%
|