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Browsing Iris by Subject "Accelerometer"

Browsing Iris by Subject "Accelerometer"

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    Comparison of summer and winter objectively measured physical activity and sedentary behavior in older adults: Age, gene/environment susceptibility Reykjavik study 
    Arnardóttir, Nanna Ýr; Oskarsdottir, Nina Dora; Brychta, Robert J.; Koster, Annemarie; Van Domelen, Dane R.; Caserotti, Paolo; Eiriksdottir, Gudny; Sverrisdottir, Johanna E.; Johannsson, Erlingur; Launer, Lenore J.; Guðnason, Vilmundur G; Harris, Tamara B.; Chen, Kong Y.; Sveinsson, Þórarinn (2017-10-21)
    In Iceland, there is a large variation in daylight between summer and winter. The aim of the study was to identify how this large variation influences physical activity (PA) and sedentary behavior (SB). Free living PA was measured by a waist-worn ...
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    Influence of day length and physical activity on sleep patterns in older Icelandic men and women 
    Brychta, Robert J.; Arnardottir, Nanna Yr; Johannsson, Erlingur; Wright, Elizabeth C.; Eiriksdottir, Gudny; Gudnason, Vilmundur; Marinac, Catherine R.; Davis, Megan; Koster, Annemarie; Caserotti, Paolo; Sveinsson, Thorarinn; Harris, Tamara; Chen, Kong Y. (2016-02-15)
    Study Objectives: To identify cross-sectional and seasonal patterns of sleep and physical activity (PA) in community-dwelling, older Icelandic adults using accelerometers. Methods: A seven-day free-living protocol of 244 (110 female) adults aged 79.7 ...