| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.4%
|
| 0 | Never | 256 |
21.4%
|
| 1 | Rarely | 232 |
19.3%
|
| 2 | Often | 202 |
16.8%
|
| 3 | Always | 182 |
15.2%
|
| 9 | Don't know | 322 |
26.9%
|
| 998 | Refused | 0 |
0%
|