| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 16 |
1.2%
|
| 2 | Worse | 149 |
11%
|
| 3 | Same | 164 |
12.1%
|
| 4 | Better | 511 |
37.9%
|
| 5 | Much Better | 20 |
1.5%
|
| 9 | Don't know | 490 |
36.3%
|
| 998 | Refused | 0 |
0%
|