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Individual 95% Confidence Intervals for the Mean Shift across the Duration of Smoking Abstinence Groups, Prior Smoking Status and Survey mode (PH, PERS and MIX Stand for “Phone Both Times”, “In-Person Both Times” and “Mixed”, respectively; REC, MID and LONG Stand for “Recent Quitters”, REG and OCC Stand for “Regular” and “Occasional” Smokers, respectively).
