Fig. 5From: Effects of Bang® Keto Coffee Energy Drink on Metabolism and Exercise Performance in Resistance-Trained Adults: A Randomized, Double-blind, Placebo-controlled, Crossover StudySubjective Variables. Subject evaluations of energy (a), fatigue (b) and focus (c), evaluated via digital analog scale, are displayed. Data were analyzed via ANOVA with repeated measures, and main effects of time were observed for all three variables. Results of Tukey post-hoc comparisons are displayed, with shared letters indicating no difference between time points. Error bars indicate the 95% confidence intervals for within-subjects SE due to the repeated-measures design of this study [24, 28]Back to article page