| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 35 |
2.1%
|
| 2 | Good | 281 |
16.6%
|
| 3 | Fair | 478 |
28.3%
|
| 4 | Poor | 581 |
34.3%
|
| 5 | Very poor | 285 |
16.8%
|
| 6 | DK | 32 |
1.9%
|
| Sysmiss | 288 |