Figure 1.
Time trends in rates of “don’t know/not sure” on sexual orientation by age: Washington state behavioral risk factor surveillance system, 2003–2010 (unweighted n = 172,628).
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.