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


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
JournalAge and Ageing
Issue number2
Publication statusPublished - Mar 2013


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

Cite this