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.
PSQI-K, Pittsburgh Sleep Quality Index-Korean version; AUDIT-KR, Alcohol Use Disorder Identification Test-Korean revised version.
*Standard regression coefficient. †3 or more exercise sessions per week.
