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Physical activity in an ageing population.

M Schroll1

  • 1Department of Geriatric Medicine, Medical Centre, Copenhagen University Hospital, Bispebjerg, Bispebjerg Bakke 23, DK2400 Copenhagen, Denmark. MS09@bbh.hosp.dk

Scandinavian Journal of Medicine & Science in Sports
|January 22, 2003
PubMed
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Regular physical activity in older adults significantly reduces mortality, heart attack risk, and hip fractures. Maintaining an active lifestyle enhances functional ability and independence throughout life.

Area of Science:

  • Gerontology
  • Public Health
  • Epidemiology

Background:

  • Understanding the long-term impact of physical activity on health outcomes in aging populations is crucial.
  • The 1914-cohort in Glostrup, Denmark, provides a unique longitudinal dataset for studying aging and physical activity.
  • Previous research highlights the general benefits of exercise, but specific associations with mortality and morbidity in older age groups require further investigation.

Purpose of the Study:

  • To analyze changes in physical activity levels from age 50 to 85 in a Danish cohort.
  • To investigate the association between physical activity and key health outcomes: mortality, myocardial infarction, hip fractures, and functional ability.
  • To assess the lifetime risk associated with sedentary leisure time in older adults.

Main Methods:

Related Experiment Videos

  • Review of previously published articles and analysis of pooled data from the Copenhagen Centre for Prospective Population Studies (CCPPS).
  • Longitudinal examination of the 1914-cohort in Glostrup, Denmark, with data collection points from age 50 to 85.
  • Classification of physical activity (work and leisure) into four levels, with health outcomes analyzed using multivariate regression analyses controlling for covariates.

Main Results:

  • Moderate physical activity was associated with a significant reduction in all-cause mortality (approx. 60%), myocardial infarction incidence (approx. 70%), and hip fracture incidence (approx. 75%) compared to inactive individuals.
  • Less than one-third of the population reported sedentary leisure time.
  • Physically active individuals demonstrated improved independence in activities of daily living.

Conclusions:

  • Physical activity positively influences health and quality of life throughout the life course in older adults.
  • Maintaining moderate to high levels of physical activity is strongly recommended for preventing major adverse health events and preserving functional independence.
  • Sedentary behavior in leisure time poses a significant lifetime risk that can be mitigated by regular physical activity.