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Table 1 Participant characteristics

From: Acute effects of brewed cocoa consumption on attention, motivation to perform cognitive work and feelings of anxiety, energy and fatigue: a randomized, placebo-controlled crossover experiment

Sex (males/females) 17/6
Age (years) 20.25 ± 2.23
Height (cm) 168.28 ± 1.19
Weight (kg) 67.05 ± 14.87
Body Mass Index (kg/m2) 23.26 ± 3.84
Race
 White 15
 Black 6
 More than one race 2
Amount of sleep on a typical night in the past month (hrs) 7.4 ± 1.1
Consumption of high-flavanol foods or beverages during the past month
 Caffeinated drinks (servings) 0.79 ± 2.25
 Cocoa (servings) 2.88 ± 2.29
 Fruits (servings) 4.13 ± 3.1
 Vegetables (servings) 14.88 ± 6.53
  1. Data are reported as means ± standard deviations where appropriate