| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 55 |
2.3%
|
| 2 | Worse | 304 |
12.7%
|
| 3 | About the same | 152 |
6.3%
|
| 4 | Better | 1555 |
64.8%
|
| 5 | Much better | 320 |
13.3%
|
| 9 | Don't know | 14 |
0.6%
|
| 98 | Refused | 0 |
0%
|