| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 39 |
3.7%
|
| 1 | Rarely | 132 |
12.6%
|
| 2 | Often | 438 |
41.8%
|
| 3 | Always | 428 |
40.8%
|
| 9 | Don't know | 11 |
1%
|