| The effect of physical activity on weight loss is mediated by eating self-regulation. | |
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MedLine Citation:
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PMID: 20149955 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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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. |
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Authors:
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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:
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Type: Journal Article; Randomized Controlled Trial Date: 2010-02-10 |
Journal Detail:
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Title: Patient education and counseling Volume: 79 ISSN: 1873-5134 ISO Abbreviation: Patient Educ Couns Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8406280 Medline TA: Patient Educ Couns Country: Ireland |
Other Details:
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Languages: eng Pagination: 320-6 Citation Subset: N |
Copyright Information:
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Copyright 2010 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Faculty of Human Kinetics, Technical University of Lisbon, Portugal. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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