Document Detail

Longitudinal changes in psychosocial constructs and physical activity among adults with physical disabilities.
MedLine Citation:
PMID:  22226292     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Given the importance of physical activity (PA) and the low activity levels among adults with physical disabilities, it is important to understand how temporal changes in psychosocial constructs affect PA changes over time.
OBJECTIVE/HYPOTHESIS: Examine if changes in the transtheoretical model (TTM) constructs affected changes in PA levels over time.
METHODS: One hundred thirty-two adults with physical disabilities, such as multiple sclerosis and spinal cord injuries, completed a web-based survey once every 4 months, for a total of 3 time points, to assess the TTM constructs and PA. Six latent growth curve analyses were conducted using Mplus(5) to examine if longitudinal changes in the TTM constructs affected temporal changes in PA levels.
RESULTS: All six hypothesized models fit the sample data well (e.g., χ(2) = NS; RMSEA = <.001-.06). In a descending order of significance, the best predictors of the initial levels of PA were the stages of change, the behavioral processes of change, the cognitive processes of change, self-efficacy, and perceived pros. The meaningful predictors of PA changes over time were the initial levels and the slopes of the cognitive processes of change, perceived pros, and the behavioral processes of change. Although the slopes of the stages of change and perceived cons did not have a statistically significant effect on PA changes, their effects approached a medium size (.33 and .38, respectively).
CONCLUSIONS: In order to reassure the maintenance of an exercise program, interventionists need to first emphasize cognitive, motivational strategies (cognitive processes of change), such as the importance of PA and positive thoughts about exercise participation as well as exercise benefits (pros) before they implement behavioral strategies (behavioral processes of change), such as social support, goal setting, and self-rewarding.
Maria Kosma; Rebecca Ellis; Jeremy J Bauer
Publication Detail:
Type:  Journal Article     Date:  2011-11-06
Journal Detail:
Title:  Disability and health journal     Volume:  5     ISSN:  1936-6574     ISO Abbreviation:  Disabil Health J     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-01-09     Completed Date:  2012-05-28     Revised Date:  2014-03-25    
Medline Journal Info:
Nlm Unique ID:  101306633     Medline TA:  Disabil Health J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1-8     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
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MeSH Terms
Data Collection
Disabled Persons / psychology*
Health Behavior*
Health Promotion
Longitudinal Studies
Middle Aged
Models, Psychological*
Multiple Sclerosis
Self Efficacy
Social Support
Spinal Cord Injuries

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

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