| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 85 |
3.5%
|
| 2 | Worse | 435 |
18.1%
|
| 3 | Same | 420 |
17.5%
|
| 4 | Better | 982 |
40.9%
|
| 5 | Much Better | 442 |
18.4%
|
| 9 | Don't know | 36 |
1.5%
|
| 998 | Refused | 0 |
0%
|