| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 4 |
0.2%
|
| 0 | Never | 219 |
9.1%
|
| 1 | Rarely | 773 |
32.2%
|
| 2 | Often | 859 |
35.8%
|
| 3 | Always | 439 |
18.3%
|
| 9 | Don't know | 106 |
4.4%
|