Document Detail

Predicting behavioral intentions and physical exercise: a test of the health action process approach at the intrapersonal level.
MedLine Citation:
PMID:  19916638     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Theories of health behavior are usually tested on the between-person level. Associations between variables on the between- and the within-person level, however, can differ substantially. Thus, in order to better understand intrapersonal processes in the domain of health behavior, studies applying within-person analyses are needed. This study tested the Health Action Process Approach (HAPA) on the within- and between-person level in the context of physical exercise. DESIGN: Participants were 265 first-year students who completed nine online questionnaires every second week. Data were analyzed by focusing on intrapersonal associations applying multilevel modeling. MAIN OUTCOME MEASURES: Intentions for physical exercise and self-reported physical exercise served as main outcome measures. RESULTS: Analyses mainly confirm associations specified by the HAPA at the intrapersonal level: outcome expectancies and self-efficacy, but not risk awareness, were positively associated with intentions for physical exercise. Physical exercise in turn was positively associated with intentions, self-efficacy, action control, but not with action planning. CONCLUSION: The HAPA could be confirmed on the within-person level. Future studies should focus on testing other theories of health behavior at the within-person level.
Urte Scholz; Roger Keller; Sonja Perren
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Health psychology : official journal of the Division of Health Psychology, American Psychological Association     Volume:  28     ISSN:  1930-7810     ISO Abbreviation:  Health Psychol     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-11-17     Completed Date:  2010-02-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8211523     Medline TA:  Health Psychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  702-8     Citation Subset:  IM    
Copyright Information:
PsycINFO Database Record (c) 2009 APA, all rights reserved.
Department of Psychology, University of Zurich, Switzerland.
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MeSH Terms
Health Behavior*
Middle Aged
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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