Fig. 1From: Respiratory symptoms and outcomes among cigar smokers: findings from the Population Assessment of Tobacco and Health (PATH) study waves 2–5 (2014–2019)a Waves 2–5 analytic sample from the Wave 1 Cohort for cross-sectional analysis using weighted GEE methods. Note: The N increases at each wave due to the aging up of youth into the adult sample. b. Waves 2–5 analytic sample from the Wave 1 Cohort to examine new cases of FIRSBack to article page