Abstract
Tamari K. Baseline comorbidity associated with the short-term effects of exercise
intervention on quality of life in the Japanese older population: an observational
study.
Objective
To investigate predictors of responses to a class-based exercise program in terms
of health-related quality of life (HRQOL).
Design
A 3-month prospective cohort study.
Setting
General community.
Participants
A sample of community-dwelling Japanese volunteers (N=137; aged ≥65y) initially was
included in the study. More than three fourths (76.6%) completed the follow-up examination.
Interventions
Not applicable.
Main Outcome Measures
Eight domains of the Medical Outcomes Study 36-Item Short-Form Health Survey, version
2, were used as main outcome measures. Candidate predictors included demographic variables,
medical history of chronic diseases, and results of a set of physical performance
tests at the baseline examination. Logistic regression models were used to detect
predictors.
Results
Bodily pain, vitality, social functioning, and mental health domains improved after
the intervention (P<.01 vs baseline). The absence of diabetes mellitus showed an association with a good
response in the identified domains, with an adjusted odds ratio (OR) of 2.88 (confidence
interval [CI], .90–9.25). More than 20% of participants had negative changes in the
physical functioning, physical role, general health, and emotional role domains at
follow-up. The presence of osteoarthritis significantly predicted a poor response
in these domains, with an adjusted OR of 6.75 (CI, 1.58–28.83).
Conclusions
Three months of class-based exercise is effective in alleviating bodily pain and the
mental components of HRQOL; however, the effect of exercise on the physical domains
of HRQOL may be limited. The presence of osteoarthritis may moderate the effects of
exercise on HRQOL physical components.
Key Words
List of Abbreviations:
BMI (body mass index), CI (confidence interval), HRQOL (health-related quality of life), OR (odds ratio), SF-36 (Medical Outcomes Study 36-Item Short-Form Health Survey), SF-36v2 (Medical Outcomes Study 36-Item Short-Form Health Survey, version 2)To read this article in full you will need to make a payment
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Article info
Footnotes
No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit on the authors or on any organization with which the authors are associated.
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© 2010 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.
