Figure 1.
Flowchart of study participants. aDid not meet inclusion criteria (described in study eligibility criteria). bPrimary analyses include all youth randomized, via an intention-to-treat approach using multiple imputation analysis.
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.