| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 223 |
9.3%
|
| 2 | Worse | 238 |
9.9%
|
| 3 | Same | 221 |
9.2%
|
| 4 | Better | 898 |
37.4%
|
| 5 | Much better | 407 |
17%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don’t know | 412 |
17.2%
|