• Accelerometer epoch setting is decisive for associations between physical activity and metabolic health in children 

      Aadland, Eivind; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Resaland, Geir Kåre; Kvalheim, Olav Martin (Peer reviewed; Journal article, 2020)
      When analysing physical activity (PA) levels using accelerometry, the epoch setting is critical to capture intensity-specific PA correctly. The aim of the present study was to investigate the PA intensity signatures related ...
    • Associations of volumes and patterns of physical activity with metabolic health in children: A multivariate pattern analysis approach 

      Aadland, Eivind; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Resaland, Geir Kåre; Kvalheim, Olav Martin (Peer reviewed; Journal article, 2018)
      Physical activity (PA) favorably affects metabolic health in children, but it is unclear how total volumes versus patterns (bouts and breaks) of PA relate to health. By means of multivariate pattern analysis that can handle ...
    • A comparison of analytical approaches to investigate associations for accelerometry-derived physical activity spectra with health and developmental outcomes in children 

      Aadland, Eivind; Nilsen, Ada Kristine Ofrim; Andersen, Lars Bo; Rowlands, Alex V.; Kvalheim, Olav Martin (Journal article; Peer reviewed, 2021)
      The use of high-resolution physical activity intensity spectra obtained from accelerometry can improve knowledge of associations with health and development beyond the use of traditional summary measures of intensity. The ...
    • Effects of physical activity on schoolchildren's academic performance: The Active Smarter Kids (ASK) cluster-randomized controlled trial 

      Resaland, Geir Kåre; Aadland, Eivind; Moe, Vegard Fusche; Aadland, Katrine Nyvoll; Skrede, Turid; Stavnsbo, Mette; Suominen, Laura; Steene-Johannessen, Jostein; Glosvik, Øyvind; Andersen, John Roger; Kvalheim, Olav Martin; Engelsrud, Gunn; Andersen, Lars Bo; Holme, Ingar Morten K; Ommundsen, Yngvar; Kriemler, Susi; van Mechelen, Willem; McKay, Heather A.; Ekelund, Ulf; Anderssen, Sigmund Alfred (Peer reviewed; Journal article, 2016-10)
      Objective. To investigate the effect of a seven-month, school-based cluster-randomized controlled trial on academic performance in 10-year-old children. Methods. In total, 1129 fifth-grade children from 57 elementary schools ...
    • GRANADA consensus on analytical approaches to assess associations with accelerometer-determined physical behaviours (physical activity, sedentary behaviour and sleep) in epidemiological studies 

      Migueles, Jairo H.; Aadland, Eivind; Andersen, Lars Bo; Brønd, Jan Christian; Chastin, Sebastien; Hansen, Bjørge Hermann; Konstabel, Kenn; Kvalheim, Olav Martin; McGregor, Duncan E.; Rowlands, Alex V.; Sabia, Séverine; van Hees, Vincent T.; Walmsley, Rosemary; Ortega, Francisco B. (Journal article; Peer reviewed, 2021)
      The inter-relationship between physical activity, sedentary behaviour and sleep (collectively defined as physical behaviours) is of interest to researchers from different fields. Each of these physical behaviours has been ...
    • Height and body-mass index trajectories of school-aged children and adolescents from 1985 to 2019 in 200 countries and territories: a pooled analysis of 2181 population-based studies with 65 million participants 

      Rodriguez-Martinez, Andrea; Zhou, Bin; Sophiea, Marisa K.; Bentham, James; Paciorek, Christopher J.; Turilli, Maria L.C.; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Ariansen, Inger Kristine Holtermann; Bjertness, Espen; Bjertness, Marius Bergsmark; Ekelund, Ulf; Graff-Iversen, Sidsel; Grøholt, Else Karin; Haugsgjerd, Teresa Risan; Bergh, Ingunn Holden; Janszky, Imre; Kolle, Elin; Krokstad, Steinar; Madar, Ahmed Ali; Sen, Abhijit; Skodje, Gry Irene; Sørgjerd, Elin Pettersen; Nilsen, Bente; Steene-Johannessen, Jostein; Tarp, Jakob; Tell, Grete S.; Torheim, Liv Elin; Wilsgaard, Tom; Carrillo-Larco, Rodrigo M.; Bennett, James E.; Di Cesare, Mariachiara; Taddei, Cristina; Bixby, Honor; Stevens, Gretchen A.; Riley, Leanne M.; Cowan, Melanie J.; Savin, Stefan; Danaei, Goodarz; Chirita-Emandi, Adela; Kengne, Andre P; Khang, Young-Ho; Laxmaiah, Avula; Malekzadeh, Reza; Miranda, Jaime; Moon, Jin Soo; Popovic, Stevo; Sørensen, Thorkild I.A.; Soric, Maroje; Starc, Gregor (Journal article; Peer reviewed, 2020)
      Background Comparable global data on health and nutrition of school-aged children and adolescents are scarce. We aimed to estimate age trajectories and time trends in mean height and mean body-mass index (BMI), which ...
    • Interpretation of associations between the accelerometry physical activity spectrum and cardiometabolic health and locomotor skills in two cohorts of children using raw, log-transformed, or compositional data 

      Aadland, Eivind; Andersen, Lars Bo; Migueles, Jairo Hidalgo; Ortega, Francisco B.; Kvalheim, Olav Martin (Journal article; Peer reviewed, 2020)
      It is discussed whether associations between accelerometer-derived physical activity intensities and outcomes should be analysed as absolute or relative data. The aim of the present study was to compare interpretation of ...
    • Interpretation of multivariate association patterns between multicollinear physical activity accelerometry data and cardiometabolic health in children-a tutorial 

      Aadland, Eivind; Andersen, Lars Bo; Resaland, Geir Kåre; Kvalheim, Olav Martin (Peer reviewed; Journal article, 2019-07-02)
      Associations between multicollinear accelerometry-derived physical activity (PA) data and cardiometabolic health in children needs to be analyzed using an approach that can handle collinearity among the explanatory variables. ...
    • Multicollinear physical activity accelerometry data and associations to cardiometabolic health: Challenges, pitfalls, and potential solutions 

      Aadland, Eivind; Kvalheim, Olav Martin; Anderssen, Sigmund Alfred; Resaland, Geir Kåre; Andersen, Lars Bo (Peer reviewed; Journal article, 2019-08-27)
      Background: The analysis of associations between accelerometer-derived physical activity (PA) intensities and cardiometabolic health is a major challenge due to multicollinearity between the explanatory variables. This ...
    • The multivariate physical activity signature associated with metabolic health in children 

      Aadland, Eivind; Kvalheim, Olav Martin; Anderssen, Sigmund Alfred; Resaland, Geir Kåre; Andersen, Lars Bo (Peer reviewed; Journal article, 2018-08-15)
      Background. Physical activity is a cornerstone for promoting good metabolic health in children, but it is heavily debated which intensities (including sedentary time) are most influential. A fundamental limitation to current ...
    • The multivariate physical activity signature associated with metabolic health in children and youth: An International Children's Accelerometry Database (ICAD) analysis 

      Aadland, Eivind; Kvalheim, Olav Martin; Hansen, Bjørge Hermann; Kriemler, Susi; Ried-Larsen, Mathias; Wedderkopp, Niels; Sardinha, Luis B.; Møller, Niels Christian; Hallal, Pedro C.; Anderssen, Sigmund Alfred; Northstone, Kate; Andersen, Lars Bo (Journal article; Peer reviewed, 2020)
      There is solid evidence for an association between physical activity and metabolic health outcomes in children and youth, but for methodological reasons most studies describe the intensity spectrum using only a few summary ...
    • Repositioning of the global epicentre of non-optimal cholesterol 

      Taddei, Cristina; Zhou, Bin; Bixby, Honor; Carrillo-Larco, Rodrigo M.; Danaei, Goodarz; Jackson, Rod T.; Ahmed, Soheir H; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Ariansen, Inger Kristine Holtermann; Bjertness, Espen; Bjertness, Marius Bergsmark; Graff-Iversen, Sidsel; Haugsgjerd, Teresa Risan; Janszky, Imre; Krokstad, Steinar; Laugsand, Lars Erik; Madar, Ahmed Ali; Mathiesen, Ellisiv B.; Meyer, Haakon E; Sen, Abhijit; Tell, Grete S.; Vatten, Lars Johan; Wilsgaard, Tom; Farzadfar, Farshad; Sophiea, Marisa K.; Di Cesare, Mariachiara; Iurilli, Maria L. C.; Martinez, Andrea Rodriguez; Asghari, Golaleh; Dhana, Klodian; Gulayin, Pablo; Kakarmath, Sujay; Santero, Marilina; Voortman, Trudy; Riley, Leanne M.; Cowan, Melanie J.; Savin, Stefan; Bennett, James E.; Stevens, Gretchen A.; Paciorek, Christopher J.; Aekplakorn, Wichai; Cifkova, Renata; Giampaoli, Simona; Kengne, Andre Pascal; Khang, Young-Ho; Kuulasmaa, Kari; Laxmaiah, Avula; Margozzini, Paula; Mathur, Prashant (Journal article; Peer reviewed, 2020-06)
      High blood cholesterol is typically considered a feature of wealthy western countries1,2. However, dietary and behavioural determinants of blood cholesterol are changing rapidly throughout the world3 and countries are using ...
    • Rising rural body-mass index is the main driver of the global obesity epidemic in adults 

      Bixby, Honor; Bentham, James; Zhou, Bin; Di Cesare, Mariachiara; Paciorek, Christopher J.; Bennett, James E.; Taddei, Cristina; Stevens, Gretchen A.; Rodriguez-Martinez, Andrea; Carrillo-Larco, Rodrigo M.; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Ekelund, Ulf; Kolle, Elin; Steene-Johannessen, Jostein; Tarp, Jakob; Ariansen, Inger; Biehl, Anna Månsson; Graff-Iversen, Sidsel; Meisfjord, Jørgen Rajan; Bjertness, Espen; Bjertness, Marius Bergsmark; Meyer, Haakon E; Haugsgjerd, Teresa Risan; Tell, Grethe S.; Janszky, Imre; Krokstad, Steinar; Laugsand, Lars Erik; Sen, Abhijit; Vatten, Lars Johan; Mathiesen, Ellisiv B.; Wilsgaard, Tom; Khang, Young-Ho; Soric, Maroje; Gregg, Edward W.; Miranda, J. Jaime; Bhutta, Zulfiqar A.; Savin, Stefan; Sophiea, Marisa K.; Iurilli, Maria L. C.; Solomon, Bethlehem D.; Cowan, Melanie J.; Riley, Leanne M.; Danaei, Goodarz; Bovet, Pascal; Chirita-Emandi, Adela; Hambleton, Ian R; Hayes, Alison J; Ikeda, Nayu; Kengne, Andre P; Laxmaiah, Avula (Peer reviewed; Journal article, 2019)
      Body-mass index (BMI) has increased steadily in most countries in parallel with a rise in the proportion of the population who live in cities1,2. This has led to a widely reported view that urbanization is one of the most ...