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Check-up tests last time: Blood test for thyroid function

Codes and Frequencies

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For sample persons aged 65 and over who had a general physical exam in the last three years, CUTHYROID reports whether the person had a blood test to check his or her thyroid function during the last check-up.

CUTHYROID was introduced in 1994 as part of the Year 2000 supplement. For related variables, please use the IPUMS NHIS search function and drop-down menus.


There are no comparability issues.


  • 1994: Sample persons age 65+ who had a general physical checkup less than 3 years ago.


  • 1994