title: Physical Activity, Central Adiposity, and Functional Limitations in Community-Dwelling Older Adults.
abstract: OBJECTIVE
  Obesity and physical inactivity are independently associated with physical and functional limitations in older adults. The current study examines the impact of physical activity on odds of physical and functional limitations in older adults with central and general obesity.
  
  
  METHODS
  Data from 6279 community-dwelling adults aged 60 years or more from the Health and Retirement Study 2006 and 2008 waves were used to calculate prevalence and odds of physical and functional limitation among obese older adults with high waist circumference (waist circumference ≥88 cm in females and ≥102 cm in males) who were physically active versus inactive (engaging in moderate/vigorous activity less than once per week). Logistic regression models were adjusted for age, sex, race/ethnicity, education, smoking status, body mass index, and number of comorbidities.
  
  
  RESULTS
  Physical activity was associated with lower odds of physical and functional limitations among older adults with high waist circumference (odds ratio [OR], 0.59; confidence interval [CI], 0.52-0.68, for physical limitations; OR, 0.52; CI, 0.44-0.62, for activities of daily living; and OR, 0.44; CI, 0.39-0.50, for instrumental activities of daily living).
  
  
  CONCLUSIONS
  Physical activity is associated with significantly lower odds of physical and functional limitations in obese older adults regardless of how obesity is classified. Additional research is needed to determine whether physical activity moderates long-term physical and functional limitations.
authors: 1Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina. 2Department of Epidemiology and Biostatistics, School of Public Health, University at Albany (SUNY), One University Place, Albany, Rensselaer, New York. 3Department of Medicine, Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.
authors: Cassandra M
authors: CM
authors: Germain
authors: Elizabeth
authors: E
authors: Vasquez
authors: John A
authors: JA
authors: Batsis
mesh_terms: D050154:Adiposity; D000367:Age Factors; D000368:Aged; D000375:Aging; D015992:Body Mass Index; D015897:Comorbidity; D003430:Cross-Sectional Studies; D015444:Exercise / Q000502:physiology*; D005260:Female; D015577:Geriatric Assessment; D006304:Health Status; D006801:Humans; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000453:epidemiology* / Q000503:physiopathology*; D015995:Prevalence; D012307:Risk Factors; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology; D012959:Socioeconomic Factors; D055105:Waist Circumference