Can body size predict infant energy requirements?

Wells, Jonathan C.K. and Davies, Peter S.W. (1999) Can body size predict infant energy requirements?. Archives of Disease in Childhood, 81 5: 429-430. doi:10.1136/adc.81.5.429

Author Wells, Jonathan C.K.
Davies, Peter S.W.
Title Can body size predict infant energy requirements?
Journal name Archives of Disease in Childhood   Check publisher's open access policy
ISSN 0003-9888
Publication date 1999-11
Sub-type Article (original research)
DOI 10.1136/adc.81.5.429
Volume 81
Issue 5
Start page 429
End page 430
Total pages 2
Place of publication London, England
Publisher BMJ Publishing Group
Language eng
Subject 1106 Human Movement and Sports Science
1114 Paediatrics and Reproductive Medicine
Abstract Traditionally, infant energy requirements have been predicted from body size or age, whereas in older children and adults, physical activity is also taken into account. However, the extent to which body size determines energy use in individual infants has not been considered. Data on 232 measurements of total energy expenditure obtained in 124 infants aged 1.5 to 12 months were used to assess the relation between body size and energy use in individuals. Age, weight, and fat free mass consistently predicted total energy expenditure with an error of 21-23%. This contrasts greatly with the error of 10% with which infant basal metabolism can be predicted from anthropometry. Body size is a poor index of the total energy requirements of individual infants, and predictive equations generated from data on healthy infants will be inappropriate for disease states where physical activity or growth is altered.
Keyword Energy Metabolism
Total Energy Expenditure
Fat Free Mass
Body Composition
12-week-old Infants
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Medicine Publications
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Created: Wed, 08 Sep 2010, 09:38:07 EST