• A closer look at the relationship among accelerometer-based physical activity metrics: ICAD pooled data 

      Kwon, Soyang; Andersen, Lars Bo; Grøntved, Anders; Kolle, Elin; Cardon, Greet; Davey, Rachel; Kriemler, Susi; Northstone, Kate; Page, Angie S.; Puder, Jardena J.; Reilly, John J.; Sardinha, Luís B.; van Sluijs, Esther M.F.; Janz, Kathleen F. (Journal article; Peer reviewed, 2019)
      Background Accelerometers are widely used to assess child physical activity (PA) levels. Using the accelerometer data, several PA metrics can be estimated. Knowledge about the relationships between these different metrics ...
    • Aerobic fitness mediates the intervention effects of a school-based physical activity intervention on academic performance. The school in Motion study – A cluster randomized controlled trial 

      Solberg, Runar Barstad; Steene-Johannessen, Jostein; Fagerland, Morten; Anderssen, Sigmund Alfred; Berntsen, Sveinung; Resaland, Geir Kåre; van Sluijs, Esther M.F.; Ekelund, Ulf; Kolle, Elin (Peer reviewed; Journal article, 2021)
      Little information exists on the mechanism of how physical activity interventions effects academic performance. We examined whether the effects of a school-based physical activity intervention on academic performance were ...
    • Birth weight, cardiometabolic risk factors and effect modification of physical activity in children and adolescents: pooled data from 12 international studies 

      Bernhardsen, Guro Pauck; Stensrud, Trine; Hansen, Bjørge Hermann; Steene-Johannessen, Jostein; Kolle, Elin; Nystad, Wenche; Anderssen, Sigmund Alfred; Hallal, Pedro C.; Janz, Kathleen F.; Kriemler, Susi; Andersen, Lars Bo; Northstone, Kate; Resaland, Geir Kåre; Sardinha, Luís B.; van Sluijs, Esther M.F.; Ried-Larsen, Mathias; Ekelund, Ulf (Peer reviewed; Journal article, 2020)
      Objectives Low and high birth weight is associated with higher levels of cardiometabolic risk factors and adiposity in children and adolescents, and increases the risk of cardiovascular diseases, obesity, and early mortality ...
    • Children’s moderate-to-vigorous physical activity on weekdays versus weekend days: a multi-country analysis 

      Brazendale, Keith; Beets, Michael W.; Armstrong, Bridget; Weaver, R. Glenn; Hunt, Ethan T.; Pate, Russell R.; Brusseau, Timothy A.; Bohnert, Amy M.; Olds, Timothy; Tassitano, Rafael M.; Tenorio, Maria Cecilia M.; Garcia, Jeanette; Andersen, Lars Bo; Davey, Rachel; Hallal, Pedro C.; Jago, Russell; Kolle, Elin; Kriemler, Susi; Kristensen, Peter L.; Kwon, Soyang; Puder, Jardena J.; Salmon, Jo; Sardinha, Luís B.; van Sluijs, Esther M.F. (Peer reviewed; Journal article, 2021)
      Purpose The Structured Days Hypothesis (SDH) posits that children’s behaviors associated with obesity – such as physical activity – are more favorable on days that contain more ‘structure’ (i.e., a pre-planned, segmented, ...
    • Cross-Sectional Associations of Reallocating Time Between Sedentary and Active Behaviours on Cardiometabolic Risk Factors in Young People : An International Children’s Accelerometry Database (ICAD) Analysis 

      Hansen, Bjørge Hermann; Anderssen, Sigmund Alfred; Andersen, Lars Bo; Hildebrand, Maria; Kolle, Elin; Steene-Johannessen, Jostein; Kriemler, Susi; Page, Angie S.; Puder, Jardena J.; Reilly, John J.; Sardinha, Luis B.; van Sluijs, Esther M.F.; Wedderkopp, Niels; Ekelund, Ulf (Peer reviewed; Journal article, 2018)
      Introduction Sedentary time and time spent in various intensity-specific physical activity are co-dependent, and increasing time spent in one behaviour requires decreased time in another. Objective The aim of the present ...
    • Harmonising data on the correlates of physical activity and sedentary behaviour in young people: Methods and lessons learnt from the international Children's Accelerometry database (ICAD) 

      Atkin, Andrew J; Biddle, Stuart JH; Broyles, Stephanie T; Chinapaw, Mai; Ekelund, Ulf; Esliger, Dale W.; Hansen, Bjørge Hermann; Kriemler, Susi; Puder, Jardena J.; Sherar, Lauren B.; van Sluijs, Esther M.F.; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Cardon, G; Davey, R; Hallal, P; Janz, KF; Møller, N; Molloy, L; Page, A; Pate, R; Reilly, J; Salmon, J; Sardinha, LB; Timperio, A (Journal article; Peer reviewed, 2017)
      Background Large, heterogeneous datasets are required to enhance understanding of the multi-level influences on children’s physical activity and sedentary behaviour. One route to achieving this is through the pooling ...
    • Substituting prolonged sedentary time and cardiovascular risk in children and youth: a meta-analysis within the International Children’s Accelerometry database (ICAD) 

      Wijndaele, Katrien; White, Thomas; Andersen, Lars Bo; Bugge, Anna; Kolle, Elin; Northstone, Kate; Wedderkopp, Niels; Ried-Larsen, Mathias; Kriemler, Susi; Page, Angie S.; Puder, Jardena J.; Reilly, John J.; Sardinha, Luis B.; van Sluijs, Esther M.F.; Sharp, Stephen J.; Brage, Søren; Ekelund, Ulf (Peer reviewed; Journal article, 2019)
      Background Evidence on the association between sitting for extended periods (i.e. prolonged sedentary time (PST)) and cardio-metabolic health is inconsistent in children. We aimed to estimate the differences in cardio-metabolic ...
    • Tracking of total sedentary time and sedentary patterns in youth: a pooled analysis using the International Children’s Accelerometry Database (ICAD) 

      van Ekris, Evi; Wijndaele, Katrien; Altenburg, Teatske M.; Atkin, Andrew J.; Twisk, Jos; Andersen, Lars Bo; Janz, Kathleen F.; Froberg, Karsten; Northstone, Kate; Page, Angie S.; Sardinha, Luis B.; van Sluijs, Esther M.F.; Chinapaw, Mai (Journal article; Peer reviewed, 2020)
      Background To gain more understanding of the potential health effects of sedentary time, knowledge is required about the accumulation and longitudinal development of young people’s sedentary time. This study examined ...
    • Using a multi-stakeholder experience-based design process to co-develop the Creating Active Schools Framework 

      Daly-Smith, Andy; Quarmby, Thomas; Archbold, Victoria S. J.; Corrigan, Nicola; Wilson, Dan; Resaland, Geir Kåre; Bartholomew, John B.; Singh, Amika; Tjomsland, Hege Eikeland; Sherar, Lauren B.; Chalkley, Anna; Routen, Ash C.; Shickle, Darren; Bingham, Daniel D.; Barber, Sally E.; van Sluijs, Esther M.F.; Fairclough, Stuart J.; McKenna, Jim (Peer reviewed; Journal article, 2020)
      Background UK and global policies recommend whole-school approaches to improve childrens’ inadequate physical activity (PA) levels. Yet, recent meta-analyses establish current interventions as ineffective due to suboptimal ...
    • Variations in accelerometry measured physical activity and sedentary time across Europe – harmonized analyses of 47,497 children and adolescents 

      Steene-Johannessen, Jostein; Hansen, Bjørge Hermann; Dalene, Knut Eirik; Kolle, Elin; Northstone, Kate; Møller, Niels Christian; Grøntved, Anders; Wedderkopp, Niels; Kriemler, Susi; Page, Angie S.; Puder, Jardena J.; Reilly, John J.; Sardinha, Luís B.; van Sluijs, Esther M.F.; Andersen, Lars Bo; van der Ploeg, Hidde P.; Ahrens, Wolfgang; Flexeder, Claudia; Standl, Marie; Shculz, Holger; Moreno, Luis A.; De Henauw, Stefaan; Michels, Nathalie; Cardon, Greet; Ortega, Francisco B.; Ruiz, Jonatan; Aznar, Susana; Fogelholm, Mikael; Decelis, Andrew; Olesen, Line Grønholt; Hjorth, Mads F.; Santos, Rute; Vale, Susana; Christiansen, Lars Breum; Jago, Russell; Basterfield, Laura; Owen, Christopher G.; Nightingale, Claire M.; Eiben, Gabriele; Polito, Angela; Lauria, Fabio; Vanhelst, Jeremy; Hadjigeorgiou, Charalambos; Konstabel, Kenn; Molnár, Dénes; Sprengeler, Ole; Manios, Yannis; Harro, Jaanus; Kafatos, Anthony; Anderssen, Sigmund Alfred; Ekelund, Ulf (Peer reviewed; Journal article, 2020)
      Background: Levels of physical activity and variation in physical activity and sedentary time by place and person in European children and adolescents are largely unknown. The objective of the study was to assess the ...
    • Weather and children's physical activity; How and why do relationships vary between countries? 

      Harrison, Flo; Goodman, Anna; van Sluijs, Esther M.F.; Andersen, Lars Bo; Cardon, Greet; Davey, Rachel; Janz, Kathleen F.; Kriemler, Susi; Molloy, Lynn; Page, Angie S.; Pate, Russ; Puder, Jardena J.; Sardinha, Luís B.; Timperio, Anna; Wedderkopp, Niels; Jones, Andy P. (Journal article; Peer reviewed, 2017)
      Background Globally most children do not engage in enough physical activity. Day length and weather conditions have been identified as determinants of physical activity, although how they may be overcome as barriers is ...