Document Detail


Environmental influences on young adult weight gain: evidence from a natural experiment.
MedLine Citation:
PMID:  21185524     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
OBJECTIVES: This study investigated the importance of environmental influences in explaining weight gain and related behaviors among freshman college students.
METHODS: We exploited a natural experiment that takes place on most college campuses in the United States--randomized dormitory assignments. We estimated the effects of living in dormitories with varying physical environment characteristics on weight gain and related behaviors (daily number of meals and snacks, weekly frequency of exercise) among randomly assigned freshman students.
RESULTS: We found strong evidence linking weight and related behaviors to individual dormitories, as well as to specific characteristics of the dormitories. On average, students assigned to dormitories with on-site dining halls gained more weight and exhibited more behaviors consistent with weight gain during the freshman year as compared with students not assigned to such dormitories. Females in such dormitories weighed .85 kg (p = .03) more and exercised 1.43 (p < .01) times fewer; males consumed .22 (p = .02) more meals and .38 (p = .01) more snacks. For female students, closer proximity of the dormitory to a campus gym led to more frequent exercise (.54, p = .03), whereas living closer to central campus reduced exercise (-.97, p = .01).
CONCLUSIONS: Using a natural experiment to deal with the potential endogeneity of the living environment, this study found that the physical environment affects both students' weight changes and weight-related behaviors.
Authors:
Kandice A Kapinos; Olga Yakusheva
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Publication Detail:
Type:  Journal Article     Date:  2010-08-03
Journal Detail:
Title:  The Journal of adolescent health : official publication of the Society for Adolescent Medicine     Volume:  48     ISSN:  1879-1972     ISO Abbreviation:  J Adolesc Health     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9102136     Medline TA:  J Adolesc Health     Country:  United States    
Other Details:
Languages:  eng     Pagination:  52-8     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Society for Adolescent Health and Medicine. Published by Elsevier Inc. All rights reserved.
Affiliation:
Institute for Social Research, University of Michigan, 426 Thompson Street, Ann Arbor, MI 48104, USA. kkapinos@umich.edu
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