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Plan 1: Premium based on income

Codes and Frequencies

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For sample persons whose private insurance plan is paid by themselves or by their family, HI1PREINC reports whether the premium paid for the first plan was based on income.

Detailed questions about private health insurance are looped through for each plan mentioned in a family. Information on up to 4 plans per family is recorded. However, The NHIS only provides data for the first two private insurance plans reported. Therefore, HI1PREINC and HI2PREINC report the same information on the first private plan and the second private plan in a family, respectively.

This variable is part of the Health Care Access and Utilization supplement, which provides information on access to health care, utilization services, and health care contacts. For related variables and more information about this supplement, please use the IPUMS NHIS search function and drop-down menus.


Aside from a change in the universe between 2013 and later years, there are no comparability issues.


  • 2013: All persons covered by private health insurance in calendar quarter 4.
  • 2014-2018: All persons covered by private health insurance.


  • 2013-2018