| Value | Category | Cases | |
|---|---|---|---|
| 1 | from card | 319 |
44.6%
|
| 2 | from recall | 379 |
52.9%
|
| 3 | special | 18 |
2.5%
|
| 8 | don't know | 0 |
0%
|
| 9 | not applicable | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 576 |