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.
Forest plot showing a fixed-effects meta-analysis of smoking cessation interventions on abstinence stratified by treatment category, along with overall random effects
Note: RR stands for risk ratio, which could be interpreted as relative cessation rates. 25 RRs were obtained from 21 studies.
