| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much better | 211 |
8.5%
|
| 2 | Somewhat better | 651 |
26.1%
|
| 3 | About the same | 1472 |
59.1%
|
| 4 | Some what worse | 144 |
5.8%
|
| 5 | Much worse | 13 |
0.5%
|
| Sysmiss | 4 |