| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 81 |
6.8%
|
| 2 | Worse | 307 |
25.6%
|
| 3 | Same | 434 |
36.2%
|
| 4 | Better | 305 |
25.4%
|
| 5 | Much better | 70 |
5.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 3 |
0.3%
|