Fig. 1
From: Omega-3 fatty acid intake and prevalent respiratory symptoms among U.S. adults with COPD

Relationship between ALA Intake and Odds of Respiratory Symptoms is Modified by LA Intake in U.S. Adults with COPD. Odds of chronic cough (Panel A) and wheeze (Panel B) per 1 g increase in ALA. ALA and LA included simultaneously in logistic regression models adjusting for age, gender, race, education, smoking status, FEV1, caloric intake, BMI, and pack-years