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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.