Additional file 1 of Characteristics and treatable traits of patients with chronic obstructive pulmonary disease (COPD) with and without paid employment

Additional file 1: Fig S1. Logistic regression analysis of unadjusted covariates and treatable traits. Abbreviations: Odds Ratio (OR), Confidence Interval (CI), standard deviation (sd), Interquartile range (IQR), Forced Expiratory Volume in one second (FEV1), Medical Research Council (MRC score), Body Mass Index (BMI), Checklist Individual Strength (CIS), 6-min walk distance (6MWD).