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Wolverhampton Intellectual Repository and E-Theses > School of Sport, Performing Arts and Leisure > Research Centre for Sport, Exercise and Performance > Exercise and Health > Resting metabolic rate in obese and nonobese Chinese Singaporean boys aged 13–15 y

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/14996
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Title: Resting metabolic rate in obese and nonobese Chinese Singaporean boys aged 13–15 y
Authors: Stensel, David J.
Lin, Fu-Po
Nevill, Alan M.
Citation: American Journal of Clinical Nutrition, 74: 369–373
Publisher: American Society for Clinical Nutrition
Issue Date: 2001
URI: http://hdl.handle.net/2436/14996
Additional Links: http://www.ajcn.org/cgi/reprint/74/3/369
Abstract: Background: Previous studies investigating the hypothesis that a low resting metabolic rate (RMR) is a cause of obesity yielded discrepant findings. Two explanations for these findings are the use of imprecise methods to determine obesity and a failure to control for differences in fat mass (FM) and fat-free mass (FFM) when comparing RMR values. Objective: This study tested the hypothesis that RMR is lower in obese than in nonobese boys (with the use of precise methods to quantify body fatness and with adjustment for differences in both FM and FFM). Design: Forty Chinese Singaporean boys aged 12.8–15.1 y were recruited. Boys were classified as obese (n = 20) or nonobese (n = 20) on the basis of their adiposity index (ratio of FM to FFM: >0.60 = obese, <0.40 = nonobese) determined by dualenergy X-ray absorptiometry. RMR was determined by using indirect calorimetry. RMR values were compared by using both linear (analysis of covariance) and log-linear (analysis of covariance with log-transformed data) regression to control for differences in FM and FFM. Results: Age, height, and FFM did not differ significantly between groups. Body mass was 13 kg greater and FM was 16 kg greater in the obese boys than in the nonobese boys (P < 0.001). After control for FFM and FM, RMR did not differ significantly between the groups. Conclusion: When body composition is appropriately controlled for, RMR does not differ significantly between obese and nonobese boys.
Type: Article
Language: en
Description: Metadata only record. Full text available at link given above.
Keywords: Resting metabolic rate
Obesity
Chinese Singaporean boys
Fat mass
Fat-free mass
Analysis of Covariance
Log-linear regression
Dual-energy X-ray absorptiometry
Indirect calorimetry
Analysis of Variance
ISSN: 0002-9165
Appears in Collections: Sport, Exercise and Health Research Group
Exercise and Health
Learning and Teaching in Sport, Exercise and Performance

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