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Had fasting blood glucose test, past 12 months

Codes and Frequencies

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For sample adults aged 18 and over years, GLUCCHEK1YR indicates if the respondent had a fasting test for high blood sugar or diabetes in the past 12 months.

In the past 12 months, other tests mentioned are:

This variable can be used to monitor the effects of the Affordable Care Act (ACA).


This variable is comparable across the 2011-13 and 2015 and later samples. NHIS reports that estimates based on GLUCCHEK1YR in 2014 are not comparable with other years. In 2014, additional diabetes screening questions were included to ascertain the time since last glucose check; persons who did not know the time since last glucose check were asked if they have had their blood glucose checked in the past 12 months. Respondents who broke off participation prior to that question were recorded as Not Ascertained even if they had provided valid responses to the time since last glucose check questions.


  • 2011; 2012; 2013; 2014; 2015 2016 2017 2018: Sample adults age 18+.


  • 2011-2018