Codes and Frequencies
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Description
ASTATQCFLAG is a flag variable which represents a record where the sample adult data were removed for quality reasons.
Comparability
The NHIS questionnaire was substantially redesigned in 2019 to introduce a different data collection structure and new content. For more information on changes in terminology, universes, and data collection methods beginning in 2019, please see the user note.
Universe
- 2008-2018: All households
- 2019-2023: All households
Availability
- 2008-2023
Weights
- 2008-2018 : PERWEIGHT
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