| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 36 |
3%
|
| 2 | Worse | 301 |
25.1%
|
| 3 | Same | 410 |
34.2%
|
| 4 | Better | 408 |
34%
|
| 5 | Much better | 24 |
2%
|
| 8 | Refused | 4 |
0.3%
|
| 9 | Don’t know | 17 |
1.4%
|