| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 66 |
5.5%
|
| 1 | Rarely | 135 |
11.3%
|
| 2 | Often | 408 |
34.1%
|
| 3 | Always | 532 |
44.5%
|
| 9 | Don't know | 55 |
4.6%
|
| 998 | Refused | 0 |
0%
|