| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 210 |
17.5%
|
| 2 | Worse | 354 |
29.5%
|
| 3 | Same | 327 |
27.3%
|
| 4 | Better | 210 |
17.5%
|
| 5 | Much better | 17 |
1.4%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don’t know | 79 |
6.6%
|