| Failure of post-action stages of the transtheoretical model to predict change in regular physical activity: a multiethnic cohort study. | |
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MedLine Citation:
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PMID: 19727997 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Predicting variation in meeting recommended levels of physical activity is important for public health evaluation. PURPOSE: The purpose of this study is to determine the predictive value of stages of the Transtheoretical Model (TTM) for classifying people who meet the US Healthy People 2010 guideline for regular physical activity. METHODS: A cohort (N = 497) from a random, multiethnic sample of 700 adults living in Hawaii was assessed at 6-month intervals three or more times for 2 years. Latent transition analysis was used to classify people according to TTM stages and separately according to whether they met the guideline. The predictive value of pre- vs. post-action stages was then tested. RESULTS: Stages were more likely to falsely classify people as meeting the guideline than to falsely classify them as not meeting it. Probabilities of predicting 6-month transitions were about 50% for the stable class of meeting the guideline each time and just 25% for transitions between meeting and not meeting the guideline. CONCLUSION: The TTM post-action stages had limited usefulness in this cohort. Further longitudinal study is needed to determine whether TTM stages can accurately classify transitions from physical inactivity to physical activity below recommended levels. |
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Authors:
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Rod K Dishman; Nathaniel J Thom; Cherie R Rooks; Robert W Motl; Caroline Horwath; Claudio R Nigg |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: Annals of behavioral medicine : a publication of the Society of Behavioral Medicine Volume: 37 ISSN: 1532-4796 ISO Abbreviation: Ann Behav Med Publication Date: 2009 Jun |
Date Detail:
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Created Date: 2009-09-18 Completed Date: 2009-12-07 Revised Date: 2011-05-16 |
Medline Journal Info:
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Nlm Unique ID: 8510246 Medline TA: Ann Behav Med Country: United States |
Other Details:
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Languages: eng Pagination: 280-93 Citation Subset: IM |
Affiliation:
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Department of Kinesiology, The University of Georgia, Ramsey Center, 330 River Road, Athens, GA 30602-6554, USA. rdishman@uga.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Cohort Studies Ethnic Groups / statistics & numerical data* Female Guidelines as Topic Health Surveys Healthy People Programs Humans Male Middle Aged Models, Psychological* Motor Activity* Predictive Value of Tests* Time Factors |
| Grant Support | |
ID/Acronym/Agency:
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R01 CA109941/CA/NCI NIH HHS; R01 CA109941-04/CA/NCI NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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