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Table 3 Energy metabolism, physical activity and the amount of time asleep during the metabolic test in infants grouped according to maternal BMI

From: Lower energy expenditures in infants from obese biological mothers

  Lean Overweight Obese
Number of infants 7 7 7
Energy intake during 4-hour study (kcal) 127.2 ± 91.4 136.6 ± 71.2 220.4 ± 127.2
24-hour energy expenditure (kcal/day)1 532.4 ± 30.7 471.8 ± 39.5* 472.1 ± 76†
Sleeping metabolic rate (kcal/day)1 407.5 ± 24.7 407.5 ± 37.2 402.9 ± 35.8
Sleeping time during metabolic test (%) 39.3 ± 21.6 50.0 ± 20.9 21.4 ± 11.1‡
Respiratory quotient (VCO2/VO2) 0.86 ± 0.04 0.84 ± 0.05 0.85 ± 0.08
Physical activity (Oscillations/min/kg BW) 4.3 ± 1.7 6.8 ± 7.8 7.6 ± 2.4
  1. 1 Extrapolated to 24-hours and corrected for differences in body composition and age
  2. * = (p < 0.05) between the lean and over weight groups
  3. † = (p < 0.05) between the lean and obese groups
  4. ‡ = (p < 0.05) between the over weight and obese groups