Fig. 2.
Total scores on self-report measures for alcohol and polydrug AbD groups plotted as their difference from control scores. *p < 0.05, **p < 0.01, ***p < 0.001
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.