| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 251 |
15.7%
|
| 2 | Worse | 525 |
32.8%
|
| 3 | Same | 263 |
16.4%
|
| 4 | Better | 471 |
29.4%
|
| 5 | Much better | 87 |
5.4%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 2 |
0.1%
|