About
The National Health Interview Survey (NHIS) is a multistage probability sample survey conducted annually by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention (CDC).
Content Source
National Center for Environmental Health
About This Page
Published: October 31, 2024
Updated: August 15, 2024
This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.
Reviewed: July 31, 2026
The information on this page was last reviewed by subject matter experts to ensure accuracy.