| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 370 |
15.4%
|
| 1 | Rarely | 1006 |
41.9%
|
| 2 | Often | 638 |
26.6%
|
| 3 | Always | 226 |
9.4%
|
| 9 | Don't know | 160 |
6.7%
|
| 998 | Refused | 0 |
0%
|