| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 21 |
1.8%
|
| 2 | Worse | 132 |
11%
|
| 3 | Same | 131 |
10.9%
|
| 4 | Better | 716 |
59.7%
|
| 5 | Much better | 119 |
9.9%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 79 |
6.6%
|