| Effects of 12-month exercise on health-related quality of life: a randomized controlled trial. | |
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MedLine Citation:
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PMID: 21371498 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: We investigated exercise effects on health-related quality of life (HRQOL) and exercise self-efficacy, and tested effect modification by baseline body mass index (BMI) and gender. METHODS: Middle-aged women (n=100) and men (n=102) were randomly assigned to either exercise (360 min/week of moderate-to-vigorous aerobic exercise) or control in Seattle, WA, from 2001 to 2004. Demographics, anthropometrics, exercise self-efficacy (5-item self-efficacy questionnaire) and HRQOL (SF-36) were assessed at baseline and 12 months. Analysis of covariance adjusting for baseline scores was used to compare HRQOL and exercise self-efficacy scores between the exercise and control groups. RESULTS: At 12 months, exercisers demonstrated higher exercise self-efficacy than controls (percent change from baseline: -6.5% vs. -15.0%, p < 0.01), without differences in HRQOL. Baseline BMI category and gender did not modify these effects. In exploratory analyses comparing exercisers and controls within subgroups defined by gender and BMI, 12-month HRQOL scores [role-physical (+7.0% vs. -13.1%), vitality (+15.6% vs. -4.2%), social functioning (+10.0% vs. -3.5%), and mental health (+6.8% vs. -2.9%)] were higher only among overweight male exercisers (p < 0.05, vs. control). CONCLUSION: Three hundred and sixty minutes per week of exercise, recommended for weight maintenance, did not have negative effects on exercise self-efficacy or HRQOL. This level of exercise may increase HRQOL among overweight men. |
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Authors:
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Ikuyo Imayama; Catherine M Alfano; Lisa A Cadmus Bertram; Chiachi Wang; Liren Xiao; Catherine Duggan; Kristin L Campbell; Karen E Foster-Schubert; Anne McTiernan |
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Publication Detail:
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Type: Journal Article; Randomized Controlled Trial Date: 2011-03-01 |
Journal Detail:
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Title: Preventive medicine Volume: 52 ISSN: 1096-0260 ISO Abbreviation: Prev Med Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-04-18 Completed Date: 2011-08-22 Revised Date: 2012-05-08 |
Medline Journal Info:
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Nlm Unique ID: 0322116 Medline TA: Prev Med Country: United States |
Other Details:
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Languages: eng Pagination: 344-51 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, WA 98109, USA. iimayama@fhcrc.org |
| Data Bank Information | |
Bank Name/Acc. No.:
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ClinicalTrials.gov/NCT00668161 |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Body Mass Index Exercise / psychology* Female Health Status* Humans Male Middle Aged Quality of Life* Questionnaires Washington |
| Grant Support | |
ID/Acronym/Agency:
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R01 CA077572-05/CA/NCI NIH HHS; U54 CA116847-05S1/CA/NCI NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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