Some unharmonized variables may not be available.
Variable |
Variable Label |
Type | Codes | Sample | |
---|---|---|---|---|---|
US1980B_AANCSTRY | Pre-edit of Ancestry (both 1st and 2nd entry) | P | codes | 1980 1% | |
US1990B_AANCSTR2 | Second ancestor allocation flag | P | codes | 1990 1% |