An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
ORs (95% CIs) for the Associations of History of Head Injury With Loss of Consciousness With Disability, US Adults ≥40 Years of Age, NHANES 2011 to 2014 (Unweighted N = 7,390)