| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 200 |
16.7%
|
| 2 | Worse | 239 |
19.9%
|
| 3 | Same | 309 |
25.8%
|
| 4 | Better | 330 |
27.5%
|
| 5 | Much better | 59 |
4.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 63 |
5.3%
|