Change Request Justification
NHIS Nonsubstantive Change Request 2021 Q2 COVID Vaccination Questions_2021-02-01.docx
[NCHS] National Health Interview Survey
Change Request Justification
OMB: 0920-0214
⚠️ Notice: This form may be outdated. More recent filings and information on OMB 0920-0214 can be found here: