| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 187 |
7.8%
|
| 2 | Worse | 334 |
14%
|
| 3 | Same | 790 |
33%
|
| 4 | Better | 572 |
23.9%
|
| 5 | Much better | 89 |
3.7%
|
| 8 | Refused | 32 |
1.3%
|
| 9 | Don’t know | 388 |
16.2%
|