| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 50 |
4.2%
|
| 2 | Worse | 186 |
15.5%
|
| 3 | Same | 561 |
46.8%
|
| 4 | Better | 307 |
25.6%
|
| 5 | Much better | 39 |
3.3%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 55 |
4.6%
|