Figure 1.
Participant flow and data availability through the trial. Motivational enhancement therapy/cognitive–behavioral therapy (MET/CBT) = motivational/skills-building intervention; DC = individual drug counseling; CM = contingency management.
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.