| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 62 |
2.6%
|
| 2 | Worse | 120 |
4.9%
|
| 3 | Same | 196 |
8.1%
|
| 4 | Better | 1027 |
42.2%
|
| 5 | Much Better | 445 |
18.3%
|
| 9 | Don't know | 581 |
23.9%
|
| 998 | Refused | 0 |
0%
|