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Joint effects of adiposity and physical activity on incident mobility limitation in older adults

  • A. Koster
  • , K.V. Patel
  • , M. Visser
  • , J.T. van Eijk
  • , A.M. Kanaya
  • , N. de Rekeneire
  • , A.B. Newman
  • , F.A. Tylavsky
  • , S.B. Kritchevsky
  • , T.B. Harris

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

OBJECTIVES: To examine joint associations of physical activity and adiposity measures (body mass index (BMI), waist circumference, percentage body fat) with incident mobility limitation. DESIGN: Prospective observational cohort study. SETTING: Memphis, Tennessee and Pittsburgh, Pennsylvania. PARTICIPANTS: Two thousand nine hundred and eighty-two black and white men and women aged 70 to 79 participating in the Health, Aging and Body Composition (Health ABC) study. MEASUREMENTS: Mobility limitation was defined as reported difficulty walking one-quarter of a mile or climbing 10 steps during two consecutive semiannual assessments over 6.5 years. Three measures of adiposity were included in this study: BMI, total percentage body fat, and waist circumference. Physical activity was assessed using a modified leisure-time physical activity questionnaire. RESULTS: Forty-six percent of the cohort developed mobility limitation. White and black men with a high BMI (≥30 kg/m
Original languageEnglish
Pages (from-to)636-643
Number of pages8
JournalJournal of the American Geriatrics Society
Volume56
Issue number4
Early online date14 Feb 2008
DOIs
Publication statusPublished - Apr 2008

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