| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 4 |
0.3%
|
| 0 | Never | 567 |
47.3%
|
| 1 | Rarely | 351 |
29.3%
|
| 2 | Often | 181 |
15.1%
|
| 3 | Always | 74 |
6.2%
|
| 9 | Don't know | 23 |
1.9%
|
| 998 | Refused | 0 |
0%
|