Table 1

Summary of statistical analysis of concentrations of nicotine, cotinine, and nornicotine in brain and blood across 1 to 10 intermittent, peripheral [2′-14C]nicotine injections

Intermittent Injections
Overall ANOVA for concentrationCompound × biological sample × number of injections interaction (F (8,28) = 5.61, p < 0.01)
ANOVA of nicotine concentrationNumber of injections × biological sample interaction (F (3.8) = 5.52,p < 0.05)
ANOVA of cotinine concentrationMain effect of number of injections (F (3.8) = 122.53,p < 0.001)
ANOVA of nornicotine concentrationNumber of injections × biological sample Interaction (F (3.8) = 25.89, p < 0.001)
Overall ANOVA for brain/blood ratioNumber of injections × compound interaction (F (6.15) = 6.64,p < 0.01)