| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never/rarely | 4 |
3.7%
|
| 1 | Sometimes | 9 |
8.3%
|
| 2 | Often | 18 |
16.7%
|
| 3 | Always | 70 |
64.8%
|
| 999 | N/A | 7 |
6.5%
|
| Sysmiss | 51 |