| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 82 |
6.8%
|
| 2 | Worse | 227 |
18.9%
|
| 3 | Same | 393 |
32.8%
|
| 4 | Better | 433 |
36.1%
|
| 5 | Much better | 38 |
3.2%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 25 |
2.1%
|