| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 152 |
12.7%
|
| 2 | Worse | 250 |
20.8%
|
| 3 | Same | 291 |
24.3%
|
| 4 | Better | 455 |
37.9%
|
| 5 | Much better | 45 |
3.8%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 6 |
0.5%
|