E-cigarette puffs per day and changes in cigarettes per day among combustible cigarette smokers with opioid use disorder: A secondary analysis of the Electronic Cigarettes to Address Combustible Cigarette Smoking for People With opioid use disorder (ERASER) study.

(456.3) = -1.97. Distinct patterns of EC use were observed among reducers and nonreducers. These findings suggest that switching trials should consider incorporating increases in the daily number of EC puffs as a therapeutic target. (PsycInfo Database Record (c) 2026 APA, all rights reserved).