| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 82 |
6.8%
|
| 2 | Worse | 209 |
17.4%
|
| 3 | Same | 306 |
25.5%
|
| 4 | Better | 457 |
38.1%
|
| 5 | Much better | 117 |
9.8%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 27 |
2.3%
|