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Table 1 Predictive equations of total energy expenditure (TEE)

From: Total energy expenditure of 10- to 12-year-old Japanese children measured using the doubly labeled water method

  Predictive equations
TEEJ-DRI (kcal/d) [4] BMR standarda (kcal/kg/d) × body weight (kg) × PAJ-DRI b
TEEIOM (kcal/d) [5] For boys aged 9–18 y: 88.5–61.9 × agec (y) + PAIOM d × [26.7 × body weight (kg) + 903 × height (m)]
For girls aged 9–18 y: 135.3–30.8 × agec (y) + PAIOM d × [10.0 × body weight (kg) + 934 × height (m)]
TEEFAO (kcal/d) [12] For boys aged 1–18 y: 310.2 + 63.3 × body weight (kg) - 0.263 × body weight (kg)2
For girls aged 1–18 y: 263.4 + 65.3 × body weight (kg) - 0.454 × body weight (kg)2
  1. aBMR standard is 37.4 kcal/kg/d for boys and 34.8 kcal/kg/d for girls [4]
  2. bPhysical activity coefficients (PA) determined by PAL in Japan-DRI (PAJ-DRI) [4] are as follows: if PAL <1.55, PA = 1.45 (level I); if 1.55 ≤ PAL <1.75, PA = 1.65 (level II); and if 1.75 ≤ PAL, and PA = 1.85 (level III) for both boys and girls
  3. cWe assumed an age of 10 years for 5th graders and 11 years for 6th graders
  4. dPA used in the DRI for the United States and Canada developed by the Institute of Medicine (IOM) (PAIOM) [5] are as follows: boys, sedentary (1.0 ≤ PAL <1.4, PA = 1.00), low activity (1.4 ≤ PAL <1.6, PA = 1.13), active (1.6 ≤ PAL <1.9, PA = 1.26), and very active (1.9 ≤ PAL <2.5, PA = 1.42); girls,: sedentary (PA = 1.00), low activity (PA = 1.16), active (PA = 1.31), and very active (PA = 1.56)