Citation: Weinberger AH, Pacek LR, Wall MM, Gbedemah M, Lee J, Goodwin RD. Cigarette smoking quit ratios among adults in the USA with cannabis use and cannabis use disorders, 2002-2016. Tob Control. 2019 Apr 5. pii: tobaccocontrol-2018-054590. doi: 10.1136/tobaccocontrol-2018-054590. [Epub ahead of print]