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.
The proportion is significantly higher (***: p>0.0001) among girls than boys, and in 2014 compared to 2010 and 2006 in every age/sex group (***). A slightly increased toothbrushing frequency among older girls (13 y/o vs 11 y/o, and 15 y/o vs 13 and 11 y/o) can also be seen.
