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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2010 Jul 20;19(8):1945–1953. doi: 10.1158/1055-9965.EPI-10-0288

Figure 2.

Figure 2

Mean data for QSU Factor 1 ratings (panel A), ratings of “craving a cigarette” (panel B), ratings of “calm” (panel C), and ratings of “satisfying” (panel D) as a function of condition and time. X-axes: time in minutes relative to product administration. Arrows represent the first and second product administrations. Y-axes: subjective ratings. Filled symbols indicate a significant difference from baseline. An “a”, “b”, or “c” indicates that own brand was significantly different from sham, “Hydro” EC, or “NPRO” EC at that time point. A “d” indicates that “Hydro” EC was significantly different from sham at that time point. An “e” indicates that “NPRO” EC was significantly different from sham at that time point (Tukey’s HSD, p < 0.05). Unidirectional error bars represent one S.E.M.