Figure 2.
Meta-regression plot, τ2 = 1.188, I2-Residual = 89.74%, Adjusted-R2 = 16.10%, n = 207.
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.