Document Detail

The effect of physical activity on weight loss is mediated by eating self-regulation.
MedLine Citation:
PMID:  20149955     Owner:  NLM     Status:  In-Process    
OBJECTIVE: This study tested whether different forms of physical activity (PA) were associated with eating self-regulation during weight control, and if changes in eating behavior mediated the relationship between PA and weight loss, in overweight/obese women.
METHODS: 239 women (37.6+/-7.0 years; 31.3+/-4.1kg/m(2)) participated. The intervention group received a 12-month group behavioral treatment designed to increase autonomy and self-regulation for weight control. Controls received a health education program. Assessments included body weight, structured and lifestyle exercise/PA, and eating self-regulation.
RESULTS: Moderate+vigorous and lifestyle PA were associated with 12-month change in most eating variables (p<0.05) and with body weight change (p<0.01). Mediation analysis showed that flexible cognitive restraint and emotional eating fully mediated the relation between lifestyle PA and weight change (effect ratio: 0.63). About 34% of the effect of moderate+vigorous PA on weight change was explained by these same mediators (partial mediation).
CONCLUSION: Exercise and PA may positively influence weight control through eating self-regulation. Flexible dietary control and reduced emotional overeating are mechanisms by which an active lifestyle can contribute to long-term weight management.
PRACTICE IMPLICATIONS: Regular exercise and PA can contribute to improved eating behaviors during weight management. This could represent an important incentive for people seeking weight control.
Ana M Andrade; Sílvia R Coutinho; Marlene N Silva; Jutta Mata; Paulo N Vieira; Cláudia S Minderico; Kathleen J Melanson; Fátima Baptista; Luís B Sardinha; Pedro J Teixeira
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2010-02-10
Journal Detail:
Title:  Patient education and counseling     Volume:  79     ISSN:  1873-5134     ISO Abbreviation:  Patient Educ Couns     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8406280     Medline TA:  Patient Educ Couns     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  320-6     Citation Subset:  N    
Copyright Information:
Copyright 2010 Elsevier Ireland Ltd. All rights reserved.
Faculty of Human Kinetics, Technical University of Lisbon, Portugal.
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