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Table 1 Baseline characteristics of study participants (n = 113, 36% male)

From: Reproducibility and comparative validity of a food frequency questionnaire for Australian children and adolescents

  Baseline characteristics
  Mean (SD) Interquartile range
Age (years) 11.9 (1.8) 10.5 - 13.5
Height (cm) 147.2 (27.3) 142.1 - 159.0
Weight (kg) 46.3 (15.0) 36.3 - 84.7
BMI * 20.3 (4.1) 17.5 - 22.1
BMI z-score ** 0.69 (1.1) -0.09 - 1.33
  1. *Body Mass Index = weight (kg)/height (m)2
  2. **Body Mass Index z-score = the number of standard deviations above or below the reference values - computed using the LMS method [68, 69]
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