| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 161 |
12.3%
|
| 1 | Rarely | 431 |
33.1%
|
| 2 | Often | 522 |
40%
|
| 3 | Always | 116 |
8.9%
|
| 9 | Don't know | 74 |
5.7%
|
| 998 | Refused | 0 |
0%
|