Figure 2.
Report of the answers for multiple-choice questions Q18 and Q21–Q23 (most frequent answers only; for complete data see Supplementary Materials).
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.