| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 86 |
7.2%
|
| 2 | Worse | 179 |
14.9%
|
| 3 | Same | 354 |
29.5%
|
| 4 | Better | 448 |
37.3%
|
| 5 | Much better | 78 |
6.5%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 54 |
4.5%
|