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Table 2 Scores from the Bond–Lader VAS

From: Effects of a commercial product containing guaraná on psychological well-being, anxiety and mood: a single-blind, placebo-controlled study in healthy subjects

Mood factors Pretreatment Placebo Washout Guaranà Two-way ANOVA (F, DFd, P) Guaranà vs Placebo (P)
Alert 29.9 ± 14.9 33.1 ± 18.3 28.7 ± 13.8 30.0 ± 15.1 0.948, 59.95, 0.404 0.733
Calm 40.0 ± 22.0 39.3 ± 23.6 39.0 ± 21.7 38.0 ± 22.1 0.099, 55.15, 0.915 0.989
Content 26.4 ± 16.4 33.7 ± 21.9 29.8 ± 17.6 30.4 ± 14.8 1.671, 64.43, 0.190 0.858
  1. Data are means ± SD.