| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 1 |
0.1%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 43 |
2.7%
|
| 1 | MODERATELY | 268 |
17.1%
|
| 2 | SEVERELY | 436 |
27.9%
|
| 3 | NOT AT ALL | 817 |
52.2%
|
| Sysmiss | 12 |