Clinical Characteristics and Factors Associated with One-Year Smoking Cessation Among Smokers with COPD: A Subgroup Analysis of a Multicentre Randomised Trial

Background

Smoking cessation is the most effective intervention for modifying the clinical course of chronic obstructive pulmonary disease (COPD), yet many patients continue to smoke after diagnosis. We evaluated the characteristics associated with cessation at one year among smokers with COPD in a multicentre randomised cessation trial.

Methods