| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 23 |
1.9%
|
| 2 | Worse | 43 |
3.6%
|
| 3 | Same | 63 |
5.3%
|
| 4 | Better | 652 |
54.3%
|
| 5 | Much better | 370 |
30.8%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 48 |
4%
|