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.
Piecewise growth model describing the outcome trajectory as a two-phase model with the first slope capturing changes from baseline to 3 months post-treatment and the second slope capturing changes from 3 months to 3 years post-intervention.
