Cited by 528Physical Activity and HealthContext-Aware Activity Recognition SystemsAging, Health, and Disability

Objective Light-Intensity Physical Activity Associations With Rated Health in Older Adults

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Buman, M. P., Hekler, E. B., Haskell, W. L., Pruitt, L., Conway, T. L., Cain, K. L., Sallis, J. F., Saelens, B. E. +2 more·2010·American Journal of Epidemiology

Abstract

The extent to which light-intensity physical activity contributes to health in older adults is not well known. The authors examined associations between physical activity across the intensity spectrum (sedentary to vigorous) and health and well-being variables in older adults. Two 7-day assessments of accelerometry from 2005 to 2007 were collected 6 months apart in the observational Senior Neighborhood Quality of Life Study of adults aged >65 years in Baltimore, Maryland, and Seattle, Washington. Self-reported health and psychosocial variables (e.g., lower-extremity function, body weight, rated stress) were also collected. Physical activity based on existing accelerometer thresholds for moderate/vigorous, high-light, low-light, and sedentary categories were examined as correlates of physical health and psychosocial well-being in mixed-effects regression models. Participants (N = 862) were 75.4 (standard deviation, 6.8) years of age, 56% female, 71% white, and 58% overweight/obese. After adjustment for study covariates and time spent in moderate/vigorous physical activity and sedentary behavior, low-light and high-light physical activity were positively related to physical health (all P < 0.0001) and well-being (all P < 0.001). Additionally, replacing 30 minutes/day of sedentary time with equal amounts of low-light or high-light physical activity was associated with better physical health (all P < 0.0001). Objectively measured light-intensity physical activity is associated with physical health and well-being variables in older adults.

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Authors
Buman, M. P., Hekler, E. B., Haskell, W. L., Pruitt, L., Conway, T. L., Cain, K. L., Sallis, J. F., Saelens, B. E., Frank, L. D., & King, A. C.
Affiliations
  • Stanford Medicine (US)
  • San Diego State University (US)
  • University of Washington (US)
  • University of British Columbia (CA)
Corresponding author
Buman, M. P.
Venue
American Journal of Epidemiology
Published
2010-09-15
Volume
172
Issue
10
Pages
1155-1165
ISSN
  • 0002-9262 (ISSN-L)
  • 1476-6256
OpenAlex
W2111010616
Cited by
528
References
62
Citations by year
2026: 8 · 2025: 15 · 2024: 21 · 2023: 22 · 2022: 21 · 2021: 35 · 2020: 35 · 2019: 40 · 2018: 50 · 2017: 62 · 2016: 39 · 2015: 58 · 2014: 56 · 2013: 25 · 2012: 23
FWCI
14.30
Type
journal article
Language
en
Open access
Locations
  • American Journal of Epidemiology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • San Diego State University
  • University of Washington
  • Seattle Children's Research Institute
  • School of Medicine, Stanford University
  • National Heart, Lung, and Blood Institute (T32HL007034, R01HL077141)
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Aging, Health, and Disability
Keywords
light physical activity, older adults, sedentary behavior, moderate-to-vigorous physical activity, accelerometer-measured activity, physical health, psychosocial well-being, stress, lower limb function, body weight
MeSH terms
Age Factors, Aged, Aged, 80 and over, Female, Health Status, Health Status Indicators, Health Surveys, Humans, Male, Monitoring, Physiologic, Motor Activity, Quality of Life, Residence Characteristics, Stress, Psychological, Urban Health, Sedentary Behavior

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