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CVDMODOSE1
Month of most recent COVID-19 vaccine - one or more doses
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Codes and Frequencies



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Description

For individuals who have had one or more COVID-19 vaccinations (CVDSHTNUM), CVDMODOSE1 indicates the month of their most recent COVID-19 vaccination.

NCHS added nearly 30 questions related to COVID starting in quarter 3 of the 2020 NHIS questionnaire, eight of which are asked of both sample adults and sample children. For the full list of variables, as well as information about COVID-related changes to the NHIS, please see the user note.

Comparability

Apart from universe changes, there are no comparability issues for this variable.

Universe

  • 2021: Sample adults 18+ interviewed in quarters 2-4 and sample children 12-17 interviewed in quarters 3 and 4 who have had one or more COVID-19 vaccinations (CVDSHTNUM)
  • 2022: All sample adults and sample children ages 5-17 who have had one or more COVID-19 vaccinations, and if interviewed in August through December, sample children ages 0-4 who have had one or more COVID-19 vaccinations (CVDSHTNUM).

Availability

  • 2021-2022

Weights