| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 182 |
13.5%
|
| 1 | Rarely | 597 |
44.2%
|
| 2 | Often | 167 |
12.4%
|
| 3 | Always | 12 |
0.9%
|
| 9 | Don't know | 392 |
29%
|
| 998 | Refused | 0 |
0%
|