Table 4

Twenty-four hour metabolic rate and physical activity of infants born to normal weight and obese biological mothers

Parameters for infants

Biological Mothers


Normal weight

Obese


24-hr EE (kcal/kg body weight)1

76.0 ± 5.2

74.3 ± 4.3

RMR (kcal/kg body weight)2

65.0 ± 5.0

64.9 ± 3.4

SMR (kcal/kg body weight)3

63.0 ± 4.3

64.6 ± 4.1

24-hr PA (oscillations/min/kg body weight)4

2.9 ± 0.4

5.0 ± 2.4

RQ (VCO2/VO2)5

0.84 ± 0.03

0.89 ± 0.02


1 24-hr EE = Twenty four hour energy expenditure expressed per kg body weight

2 RMR = 24-hour resting metabolic rate expressed per kg body weight

3 SMR = 24-hour sleeping metabolic rate expressed per kg body weight

4 PA = physical activity as determined by the amount of oscillations in weight (g) derived from the balance within the EMTAC enclosure. Data includes periods of sleep

5 RQ = Respiratory quotient determined as the rate of carbon dioxide production/oxygen consumption in liters

Rising and Lifshitz Nutrition Journal 2005 4:17   doi:10.1186/1475-2891-4-17

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