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Objective measurements of daily physical activity patterns and sedentary behaviour in older adults: Age, Gene/Environment Susceptibility-Reykjavik Study

  • Nanna Yr Arnardottir*
  • , Annemarie Koster
  • , Dane R. Van Domelen
  • , Robert J. Brychta
  • , Paolo Caserotti
  • , Gudny Eiriksdottir
  • , Johanna Eyrun Sverrisdottir
  • , Lenore J. Launer
  • , Vilmundur Gudnason
  • , Erlingur Johannsson
  • , Tamara B. Harris
  • , Kong Y. Chen
  • , Thorarinn Sveinsson
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Background: objectively measured population physical activity (PA) data from older persons is lacking. The aim of this study was to describe free-living PA patterns and sedentary behaviours in Icelandic older men and women using accelerometer. Methods: from April 2009 to June 2010, 579 AGESII-study participants aged 73-98 years wore an accelerometer (Actigraph GT3X) at the right hip for one complete week in the free-living settings. Results: in all subjects, sedentary time was the largest component of the total wear time, 75%, followed by low-light PA, 21%. Moderate-vigorous PA (MVPA) was = 10 min of MVPA, which decreased with age, with only 25% of men and 9% of women 85 years and older reaching this. Conclusion: sedentary time is high in this Icelandic cohort, which has high life-expectancy and is living north of 60 northern latitude.
Original languageEnglish
Pages (from-to)222-229
Number of pages8
JournalAge and Ageing
Volume42
Issue number2
DOIs
Publication statusPublished - Mar 2013

Keywords

  • physical activity
  • accelerometry
  • sedentary behaviour
  • older adults
  • BMI
  • AGES-Reykjavik
  • older people

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