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.
The Meta-HR in the random effects model is shown by the black diamond at the bottom. The vertical line at 1 is the border for significance.
