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 red shade indicates a positive correlation. The red color represents a significantly positive correlation; the blue color represents a significantly negative correlation. **p < 0.01; ***p < 0.001. The horizontal axis represents the correlation coefficient in the ± 1.
