Table 3

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

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 Extrapolated to 24-hours and corrected for differences in body composition and age

* = (p < 0.05) between the lean and over weight groups

† = (p < 0.05) between the lean and obese groups

‡ = (p < 0.05) between the over weight and obese groups

Rising and Lifshitz Nutrition Journal 2008 7:15   doi:10.1186/1475-2891-7-15

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