| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 133 |
11.1%
|
| 2 | Worse | 420 |
35%
|
| 3 | Same | 396 |
33%
|
| 4 | Better | 213 |
17.8%
|
| 5 | Much better | 7 |
0.6%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 30 |
2.5%
|