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Multiple Sclerosis: Impact of Physical Activity on Psychosocial Constructs

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Objectives : To determine the impact of physical activity (PA) interventions and experience with PA on psychosocial constructs.

Methods : PA, self-efficacy, self-identity, social support, and expected PA frequency were measured pre and post intervention in 39 persons with multiple sclerosis.

Results : The MANOVA analysis indicated that self-efficacy and expectation decreased, whereas self-identity and PA improved (P<0.05). Regressions analyses indicated pretest self-identity (20.44) and social support (20.34) were associated with PA. Posttest self-efficacy (20.38) and social support (20.31) were associated with PA (P<0.05).

Conclusions : The interventions and experience with PA caused changes in psychosocial constructs, which subsequently affected the correlation of these constructs with PA.

Keywords: exercise adherence; health behavior; health-promotion intervention; self-efficacy

Document Type: Research Article


Affiliations: 1 Postdoctoral Research Fellow, Brown University, Department of Community Health, Center for Gerontology & Health Care Research, Providence, RI.

Publication date: November 1, 2008

More about this publication?
  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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