| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 87 |
6.4%
|
| 1 | Rarely | 286 |
21.2%
|
| 2 | Often | 308 |
22.8%
|
| 3 | Always | 391 |
29%
|
| 9 | Don't know | 278 |
20.6%
|
| 998 | Refused | 0 |
0%
|