| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 76 |
6.9%
|
| 1 | Rarely | 219 |
19.8%
|
| 2 | Often | 477 |
43.2%
|
| 3 | Always | 291 |
26.4%
|
| 9 | Don't know | 40 |
3.6%
|
| 998 | Refused | 0 |
0%
|