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.
Timeline of study procedures and assessments.
Notes:
*Mechanisms for indirect effects analyses predicting Week 4 abstinence were assessed at Week 3 post-quit.
**Mechanisms for indirect effects analyses predicting Week 26 abstinence were assessed at Week 4 post-quit.
