| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty remembering/ concentrating | 174490 |
92.6%
|
| 2 | Some difficulty | 11272 |
6%
|
| 3 | A lot of difficulty | 2154 |
1.1%
|
| 4 | Cannot remember/concentrate at all | 499 |
0.3%
|
| 8 | Don't know | 26 |
0%
|
| 9 | No response | 27 |
0%
|
| Sysmiss | 141559 |