| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Much worse | 104 |
4.3%
|
| 2 | Worse | 285 |
11.9%
|
| 3 | Same | 390 |
16.3%
|
| 4 | Better | 768 |
32%
|
| 5 | Much better | 206 |
8.6%
|
| 9 | Don't know | 645 |
26.9%
|
| 998 | refused | 0 |
0%
|