| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 98 |
8.1%
|
| 1 | Rarely | 411 |
34%
|
| 2 | Often | 471 |
39%
|
| 3 | Always | 138 |
11.4%
|
| 9 | Don't know | 90 |
7.5%
|
| 998 | Refused | 0 |
0%
|