Fig 1. Consort Flow Diagram.
Note:‘Dropouts’ are those who actively left the study.‘Disengaged’ are those who did not complete the 24-months assessment, but may have re-engaged at some other point.
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.