Document Detail

The enduring impact of social factors on exercise tolerance in men attending cardiac rehabilitation.
MedLine Citation:
PMID:  17558245     Owner:  NLM     Status:  MEDLINE    
PURPOSE: This study explored the influence of social support on a prognostic indicator among cardiac patients, exercise tolerance. The relationship of sociodemographic factors to social support was examined, as well as the role of social support as a potential mediator between sociodemographic factors and exercise tolerance. METHODS: Archival data were collected from a sample of 254 men referred to cardiac rehabilitation. An exercise tolerance test was completed upon entry into cardiac rehabilitation, after 14 weeks, and after 9 months. RESULTS: Sociodemographic factors and social support reported upon entry into the cardiac rehabilitation program were related to initial and post-cardiac rehabilitation exercise tolerance, after controlling for admitting diagnoses, medical history, smoking, and perceived severity of illness. Overall, 28% of the variance in exercise tolerance was explained at baseline, 19% at 14 weeks, and 20% at 9 months. Specifically, older individuals had poorer exercise tolerance, whereas those with more income had better exercise tolerance. Social support was positively related to exercise tolerance at all 3 times. Older men reported less social support than younger men did, and those with more income reported more social support. However, social support did not mediate the relationship between sociodemographic factors and exercise tolerance. CONCLUSIONS: Results support the potential use of broad social factors in examining the determinants of prognostic factors for heart patients.
Shawn N Fraser; Wendy M Rodgers; Terra C Murray; Bill Daub
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of cardiopulmonary rehabilitation and prevention     Volume:  27     ISSN:  1932-7501     ISO Abbreviation:  -     Publication Date:    2007 Mar-Apr
Date Detail:
Created Date:  2007-06-11     Completed Date:  2007-09-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101291247     Medline TA:  J Cardiopulm Rehabil Prev     Country:  United States    
Other Details:
Languages:  eng     Pagination:  92-6; quiz 97-8     Citation Subset:  IM    
Physical Education and Recreation, University of Alberta, Alberta, Canada.
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MeSH Terms
Age Factors
Aged, 80 and over
Confounding Factors (Epidemiology)
Exercise Tolerance*
Follow-Up Studies
Heart Diseases / epidemiology,  physiopathology*,  rehabilitation*
Middle Aged
Physical Endurance
Predictive Value of Tests
Regression Analysis
Research Design
Retrospective Studies
Severity of Illness Index
Social Support*
Socioeconomic Factors

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

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