| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Much Worse | 129 |
5.4%
|
| 1 | Worse | 473 |
19.7%
|
| 2 | Same | 1011 |
42.1%
|
| 3 | Better | 363 |
15.1%
|
| 4 | Much Better | 42 |
1.8%
|
| 8 | Refused | 2 |
0.1%
|
| 9 | Don’t know | 380 |
15.8%
|