Table S11 shows demographics and genotype frequencies. 48.5% of participants were abstinent at EOT (8 weeks post-quit). Receiving cNRT, compared to placebo, increased abstinence (60.1% in cNRT n =193; 31.9% in placebo n =135; OR=3.17, 95% CI=1.99–5.05, df=1, p= 8.1×10−6).