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Table 1 Median, mean, SD and IQR for intake of flavonoid and flavonoid subclasses, coefficients of variation, within-to-between individual variance ratios and number of days to reach r ≥ 0.9 for 79 older adults

From: Dietary flavonoid intake in older adults: how many days of dietary assessment are required and what is the impact of seasonality?

  Median Mean SD IQR CVw CVb Variance Ratio D
mg/day
Flavonoid Total 581.84 678.69 498.53 619.58 136.18 116.74 1.36 6
Anthocyanins 1.05 6.73 12.70 7.88 80.40 72.78 1.22 6
Flavonols 24.06 28.04 33.29 21.21 139.70 91.79 2.32 10
Flavones 0.55 1.87 4.78 2.11 80.41 62.49 1.66 8
Flavan-3-ols 499.72 596.17 494.95 622.95 120.79 109.75 1.21 6
Flavanones 2.15 21.43 61.46 12.14 79.99 59.05 1.83 8
  1. SD Standard Deviation, IQR Interquartile range, CVw [(√within-person variation)/mean] × 100, CVb [(√between-person variation)/mean] × 100, Variance Ratio (CVw2/CVb2), D days of dietary assessment needed, calculated by D = [(r2/1 − r2) × (CVw2/CVb2), Mg milligram