| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 985 |
40.5%
|
| 1 | Rarely | 896 |
36.9%
|
| 2 | Often | 272 |
11.2%
|
| 3 | Always | 168 |
6.9%
|
| 9 | Don't know | 110 |
4.5%
|
| 998 | Refused | 0 |
0%
|