| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 58 |
4.8%
|
| 2 | Worse | 148 |
12.3%
|
| 3 | Same | 330 |
27.5%
|
| 4 | Better | 577 |
48.1%
|
| 5 | Much better | 70 |
5.8%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 15 |
1.3%
|