| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | Never | 729 |
30.4%
|
| 1 | Rarely | 728 |
30.3%
|
| 2 | Often | 503 |
21%
|
| 3 | Always | 137 |
5.7%
|
| 9 | Don't know | 297 |
12.4%
|
| 998 | Refused | 0 |
0%
|