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.
Trends in GFD and PWAG prevalence between 2009 and 2014. The prevalence of total GFD and PWAG significantly increased between NHANES 2009 and 2014. Total GFD included participants who positively responded to following a GFD regardless of CD status. CD, celiac disease; GFD, gluten-free diet; PWAG, people without CD avoiding gluten; NHANES, National Health and Nutrition Examination Survey; *, % (95% confidence interval)
