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Health insurance eligibility unit identifier


[ PRELIMINARY VARIABLE: Variable description may change once we confirm the universe and assess the comparability of this variable over time. ]

A Health Insurance Eligibility Unit (HIEU) are sub-family relationship units constructed to include adults plus any family members who would typically be eligible for coverage under the adults' private health insurance family plans. This variable uses information from the CPS family identification variable CPSFAMID to identify family units as of the end of the calendar year. Persons missing CPSFAMID data for the final round of the calendar year are assigned family information from the last round within the year for which they do have family relationship data. HIEUs are comprised of adults, their spouses, and their unmarried natural/adoptive children age 18 and under (age 24 and under if the children are full-time students).


Children who do not live with their natural/adoptive parents are placed in different HIEUs, as follows: Foster children always compromise a separate HIEU, unmarried children are placed in a stepparent HIEU, grandparent HIEU, great-grandparent HIEU, or aunt/uncle HIEU. Children of unmarried minors are placed (along with their minor parents) in the HIEUIDX of their adult grandparents (if possible). Married minors are placed into separate HIEUs along with any spouses and children they might have. If there is no adult family member present in the CPSFAMID, an HIEU will be headed by an unmarried minor (such as in foster children HIEUs).


This is a 12-character string variable.


The comparability of this variable over time has not yet been assessed.


The universe for this variable has not yet been confirmed.


  • 1999-2016



This variable has no flags.