Table 1. Sociodemographic, health-related and psychological characteristics of subjects.
All values are unweighted N (%) to give descriptive statistics on the characteristics of the study sample rather than nationally generalizable estimates
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.