Skip to main content
Fig. 3 | Harm Reduction Journal

Fig. 3

From: Underreporting of non-study cigarette use by study participants confounds the interpretation of results from ambulatory clinical trial of reduced nicotine cigarettes

Fig. 3

Mean self-reported and estimated total CPD. Mean self-reported total CPD are from Donny et. al. [3] (A). Mean estimated total CPD for weeks 2 and 6 (B), based on estimated total CPD for each individual participants, i.e., the sums of the self-reported total CPD from Donny et. al. [3] and the underreported non-study CPD estimated in this study. CPD numbers for the usual brand and the 15.8 mg/g control group in 3B are from Donny et. al. [3]. Total CPD numbers for all RNC groups are significantly higher than the control 15.8 mg/g group at both weeks 2 and 6 (p < 0.05)

Back to article page

Harm Reduction Journal

ISSN: 1477-7517