7-Day Point Prevalence Smoking Abstinence and 95% Confidence Intervals
Week 12 RD = 24.5%; 95% CI 20.8%, 28.3%; RR = 4.7; 95% CI 3.5, 6.2. Week 24 RD = 25.7%; 95% CI 21.2%, 30.1%; RR = 2.5; 95% CI 2.1, 3.0. Week 52 RD = 15.8%; 95% CI 11.5%, 20.2%); RR = 1.9, 95% CI 1.6, 2.2.
Abbreviations: RD, risk difference; RR, relative risk; CIs, confidence intervals; N, all randomized participants.