| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 93 |
7.8%
|
| 2 | Worse | 170 |
14.2%
|
| 3 | Same | 123 |
10.3%
|
| 4 | Better | 561 |
46.8%
|
| 5 | Much better | 199 |
16.6%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 52 |
4.3%
|