| Value | Category | Cases | |
|---|---|---|---|
| 1 | FROM CARD | 170 |
20.4%
|
| 2 | FROM RECALL | 647 |
77.8%
|
| 8 | DK | 12 |
1.4%
|
| 9 | NO RESPONSE | 3 |
0.4%
|
| Sysmiss | 3403 |