| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 563 |
47%
|
| 1 | Rarely | 162 |
13.5%
|
| 2 | Often | 106 |
8.8%
|
| 3 | Always | 71 |
5.9%
|
| 9 | Don't know | 296 |
24.7%
|
| 998 | Refused | 0 |
0%
|