| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 20 |
1.5%
|
| 2 | Worse | 134 |
9.9%
|
| 3 | Same | 160 |
11.9%
|
| 4 | Better | 585 |
43.3%
|
| 5 | Much Better | 23 |
1.7%
|
| 9 | Don't know | 428 |
31.7%
|
| 998 | Refused | 0 |
0%
|