| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 94 |
7.9%
|
| 1 | Rarely | 220 |
18.4%
|
| 2 | Often | 454 |
38%
|
| 3 | Always | 133 |
11.1%
|
| 9 | Don't know | 295 |
24.7%
|
| 998 | Refused | 0 |
0%
|