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.
Participant flowchart showing numbers and reasons for exclusions and pre-randomization dropouts, numbers of participants assigned to each intervention, numbers of dropouts in each group, and numbers interviewed at the post-treatment and one-year follow-up assessment points.
