NCHS Research and Development Survey (RANDS) Round 7 Restricted File

The Research and Development Survey (RANDS) is a series of cross-sectional surveys using probability-sampled commercial survey panels. The seventh round of RANDS (RANDS 7) was administered by NORC at the University of Chicago using the AmeriSpeak Panel from November 3, 2022 to December 12, 2022. RANDS 7 contained the embedded probe questions and experiments as in previous rounds of RANDS. It included questions on firearm safety, chronic health conditions, and health and civic behaviors, traumatic brain injury and long symptoms of coronavirus disease (COVID-19). RANDS 7 has a known survey sampling design and can be used to produce nationally and sub-nationally representative estimates.

a. Updated on March 28, 2025 to comply with the President’s Executive Order 14168.