Prevalence of use (% [SE]) of caffeine-containing energy products of males by age group and race/ethnicity in the National Health and Nutrition Examination survey, 2007–2010.
Abbreviations: NHB, Non-Hispanic black; NHW, Non-Hispanic white.
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.