| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 219 |
18.3%
|
| 2 | Worse | 53 |
4.4%
|
| 3 | Same | 30 |
2.5%
|
| 4 | Better | 329 |
27.5%
|
| 5 | Much better | 332 |
27.7%
|
| 9 | Don't know | 234 |
19.5%
|
| 998 | Refused | 0 |
0%
|