| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 61 |
5.1%
|
| 2 | Worse | 201 |
16.8%
|
| 3 | Same | 397 |
33.1%
|
| 4 | Better | 418 |
34.8%
|
| 5 | Much better | 70 |
5.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 53 |
4.4%
|