| Value | Category | Cases | |
|---|---|---|---|
| -9 | dk | 1 |
1.4%
|
| -7 | does not apply | 0 |
0%
|
| 1 | very poor | 8 |
11.3%
|
| 2 | slightly poor | 27 |
38%
|
| 3 | fairly good | 28 |
39.4%
|
| 4 | very good | 7 |
9.9%
|
| Sysmiss | 1361 |