| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 161 |
13.4%
|
| 1 | Rarely | 279 |
23.3%
|
| 2 | Often | 302 |
25.2%
|
| 3 | Always | 429 |
35.8%
|
| 9 | Don't know | 28 |
2.3%
|