| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 100 |
8.9%
|
| 2 | Worse | 145 |
12.9%
|
| 3 | Same | 263 |
23.5%
|
| 4 | Better | 388 |
34.6%
|
| 5 | Much better | 157 |
14%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 65 |
5.8%
|