| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 178 |
11.1%
|
| 2 | Worse | 251 |
15.7%
|
| 3 | Same | 174 |
10.9%
|
| 4 | Better | 603 |
37.7%
|
| 5 | Much better | 182 |
11.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 211 |
13.2%
|