| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never/rarely | 6 |
5.6%
|
| 1 | Sometimes | 23 |
21.3%
|
| 2 | Often | 32 |
29.6%
|
| 3 | Always | 39 |
36.1%
|
| 999 | N/A | 8 |
7.4%
|
| Sysmiss | 51 |