Document Detail

Food reinforcement and obesity. Psychological moderators.
MedLine Citation:
PMID:  22005184     Owner:  NLM     Status:  MEDLINE    
The relative reinforcing value of food (RRV(food)) provides an index of the motivation to eat. Research has shown that RRV(food) is higher in obese individuals than their non-obese peers, is associated with greater energy intake, predicts weight gain and interacts with impulsivity to predict energy intake. This study was designed to determine whether dietary restraint, dietary disinhibition or hunger moderate the effect of RRV(food) on the weight status and energy intake in 273 adults of various body mass index (BMI) levels. Hierarchical regression was used to assess the independent effects of RRV(food) on BMI and energy intake, controlling for age, sex, income, education, minority status, and RRV(reading). Results showed that greater RRV(food), but not RRV(reading), was associated with greater BMI and energy intake. Dietary disinhibition and dietary restraint moderated the relationship between RRV(food) and BMI, with dietary disinhibition being a stronger moderator of this relationship (r(2)=0.20) than dietary restraint (r(2)=0.095). In addition, dietary disinhibition moderated the effect of RRV(food) on energy intake. These results replicate the importance of RRV(food) as a predictor of obesity, and show that psychological factors moderate the effect of food reinforcement on body weight and energy intake. This trial was registered at as NCT00962117.
Leonard H Epstein; Henry Lin; Katelyn A Carr; Kelly D Fletcher
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2011-10-08
Journal Detail:
Title:  Appetite     Volume:  58     ISSN:  1095-8304     ISO Abbreviation:  Appetite     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-01-23     Completed Date:  2012-05-17     Revised Date:  2014-09-13    
Medline Journal Info:
Nlm Unique ID:  8006808     Medline TA:  Appetite     Country:  England    
Other Details:
Languages:  eng     Pagination:  157-62     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
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MeSH Terms
Body Composition
Body Mass Index
Cross-Sectional Studies
Eating / psychology*
Energy Intake
Food Preferences / psychology*
Middle Aged
Obesity / psychology*
Reinforcement (Psychology)*
Weight Gain
Young Adult
Grant Support
R01 DA024883/DA/NIDA NIH HHS; R01 DA024883-01A1/DA/NIDA NIH HHS; R01 DA024883-04/DA/NIDA NIH HHS; R01DA024883/DA/NIDA NIH HHS
Erratum In:
Appetite. 2013 Jun;65:220

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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