| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 130 |
10.8%
|
| 2 | Worse | 156 |
13%
|
| 3 | Same | 196 |
16.3%
|
| 4 | Better | 313 |
26.1%
|
| 5 | Much better | 129 |
10.8%
|
| 9 | Don't know | 276 |
23%
|