Source Variables

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_AANCSTR1 First ancestry allocation flag P codes 1990 1%
US2000G_ANCA Ancestry Allocation Flag P codes 2000 1%