• Calibration and cross-validation of a wrist-worn Actigraph in young preschoolers 

      Johansson, Elin; Ekelund, Ulf; Nero, H.; Marcus, C.; Hagströmer, Maria (Journal article; Peer reviewed, 2015-02-06)
      Objective: To calibrate the Actigraph GT3X+ accelerometer for wrist-worn placement in young preschoolers by developing intensity thresholds for sedentary, low- and high-intensity physical activity. Furthermore, to ...
    • Dose-response associations between accelerometry measured physical activity and sedentary time and all cause mortality: systematic review and harmonised meta-analysis 

      Ekelund, Ulf; Tarp, Jakob; Steene-Johannessen, Jostein; Hansen, Bjørge Hermann; Jefferis, Barbara; Fagerland, Morten; Whincup, Peter; Diaz, Keith M.; Hooker, Steven P.; Chernofsky, Ariel; Larson, Martin G.; Spartano, Nicole; Vasan, Ramachandran S.; Dohrn, Ing-Mari; Hagströmer, Maria; Edwardson, Charlotte; Yates, Thomas; Shiroma, Eric; Anderssen, Sigmund Alfred; Lee, I-Min (Peer reviewed; Journal article, 2019)
      Objective: To examine the dose-response associations between accelerometer assessed total physical activity, different intensities of physical activity, and sedentary time and all cause mortality. Design: Systematic ...
    • Joint associations of accelerometer-measured physical activity and sedentary time with all-cause mortality: A harmonised meta-analysis in more than 44 000 middle-aged and older individuals 

      Ekelund, Ulf; Tarp, Jakob; Fagerland, Morten Wang; Steene-Johannessen, Jostein; Hansen, Bjørge Hermann; Jefferis, Barbara; Whincup, Peter H.; Diaz, Keith M.; Hooker, Steven; Howard, Virginia J.; Chernofsky, Ariel; Larson, Martin G.; Spartano, Nicole; Vasan, Ramachandran S.; Dohrn, Ing-Mari; Hagströmer, Maria; Edwardson, Charlotte; Yates, Thomas; Shiroma, Eric; Dempsey, Paddy; Wijndaele, Katrien; Anderssen, Sigmund Alfred; Lee, I-Min (Peer reviewed; Journal article, 2020)
      Objectives: To examine the joint associations of accelerometer-measured physical activity and sedentary time with all-cause mortality. Methods: We conducted a harmonised meta-analysis including nine prospective cohort ...
    • Sedentary time and physical activity surveillance through accelerometer pooling in four european countries 

      Loyen, Anne; Clarke-Cornwell, Alexandra M.; Anderssen, Sigmund A.; Hagströmer, Maria; Sardinha, Luis B.; Sundquist, Kristina; Ekelund, Ulf; Steene-Johannessen, Jostein; Baptista, Fatima; Hansen, Bjørge H.; Wijndaele, Katrien; Brage, Søren; Lakerveld, Jeroen; Brug, Johannes; van der Ploeg, Hidde P. (Journal article; Peer reviewed, 2016-12-10)
      OBJECTIVE: The objective of this study was to pool, harmonise and re-analyse national accelerometer data from adults in four European countries in order to describe population levels of sedentary time and physical inactivity. ...