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Table 1 Descriptive variables and caffeine intake

From: The effects of a caffeine-like supplement, TeaCrine®, on muscular strength, endurance and power performance in resistance-trained men

Variable

Mean

Range

Age (years)

23.2 ± 3.1

20–29

Height (cm)

177 ± 6

163–185

Body Mass (kg)

83 ± 7

67–92

Relative Bench Press Strength (1-RM/body mass)

1.4 ± 0.2

1.3–1.7

Relative Squat Strength (1-RM/body mass)

1.7 ± 0.2

1.4–2.2

Habitual Caffeine Intake (mg/day)

215 ± 72.7

100–300

Relative Caffeine Intake for Experiments (mg/kg)

3.6 ± 0.3

3.3–4.5

  1. Data presented as mean ± SD
  2. cm centimeters, kg kilograms, 1-RM/body mass one-repetition maximum in kg / body mass kg, mg milligrams