Figure 1. Trends in the prevalence of self-reported poor oral health according to age, gender, and household income. Unit (%) A: Low income, B: Middle-low, C: Middle-high, D: High income.
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.