Data and syntax corresponding to publicationLuijten, M., Gillan, M.C., de Wit, S., Franken, I.H.A., Robbins, T.W. & Ersche, K.D. (in press). Goal-Directed and Habitual Control...
CO level Carbon monoxide level; Cont. Pre-contemplator and contemplator from the stage of behavioral changes of Prochaska et al[48]; CPD Cigarette per day; FTND Fageström Test of Nicotine Dependence;
Studies demonstrate that financial incentive programmes increase smoking cessation. However, there is little guidance on which incentive magnitudes will ensure optimal enrolment and motivation levels.