Browsing Publikasjoner fra Cristin by Author "Hansen, Bjørge Herman"
Now showing items 1-16 of 16
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Accelerometer-measured physical activity and sedentary time in a cohort of US adults followed for up to 13 years: The influence of removing early follow-up on associations with mortality
Tarp, Jakob; Hansen, Bjørge Herman; Fagerland, Morten; Steene-Johannessen, Jostein; Anderssen, Sigmund Alfred; Ekelund, Ulf (Peer reviewed; Journal article, 2020)Background: Observational studies linking physical activity with mortality are susceptible to reverse causation bias from undiagnosed and prevalent diseases. Researchers often attempt to deal with reverse causation bias ... -
Associations between accelerometry measured physical activity and sedentary time and the metabolic syndrome: A meta-analysis of more than 6000 children and adolescents
Renninger, Marius; Hansen, Bjørge Herman; Steene-Johannessen, Jostein; Kriemler, Susi; Froberg, Karsten; Northstone, Kate; Sardinha, Luis; Anderssen, Sigmund Alfred; Andersen, Lars Bo; Ekelund, Ulf (Peer reviewed; Journal article, 2019)Background: Metabolic syndrome is increasingly prevalent in the pediatric population. To prevent an early onset, knowledge about its association with modifiable lifestyle factors is needed. Objectives: To estimate the ... -
Cardiorespiratory fitness and physical activity following lung transplantation: A national cohort study
Ulvestad, Mariann; Durheim, Michael Thomas; Kongerud, Johny; Hansen, Bjørge Herman; Samersaw-Lund, May Brit; Edvardsen, Elisabeth (Peer reviewed; Journal article, 2020)Background: Low cardiorespiratory fitness and inactivity are common after lung transplantation (LTx). The causes of exercise intolerance are incompletely understood. Objectives: The aim of this study was to objectively ... -
Criterion validity of two physical activity and one sedentary time questionnaire against accelerometry in a large cohort of adults and older adults
Sagelv, Edvard Hamnvik; Hopstock, Laila Arnesdatter; Johansson, Jonas; Hansen, Bjørge Herman; Søren, Brage; Horsch, Alexander; Ekelund, Ulf; Morseth, Bente (Peer reviewed; Journal article, 2020)Objectives: We compared the ability of physical activity and sitting time questionnaires (PAQ) for ranking individuals versus continuous volume calculations (physical activity level (PAL), metabolic equivalents of task ... -
Cross-sectional and prospective associations between sleep, screen time, active school travel, sports/exercise participation and physical activity in children and adolescents
Dalene, Knut Eirik; Anderssen, Sigmund Alfred; Andersen, Lars Bo; Steene-Johannessen, Jostein; Ekelund, Ulf; Hansen, Bjørge Herman; Kolle, Elin (Journal article; Peer reviewed, 2018)Background: The aim of this study was to investigate how sleep, screen time, active school travel and sport and/or exercise participation associates with moderate-to-vigorous physical activity (MVPA) in nationally ... -
Device-measured sedentary time in Norwegian children and adolescents in the era of ubiquitous internet access: Secular changes between 2005, 2011 and 2018
Dalene, Knut Eirik; Kolle, Elin; Steene-Johannessen, Jostein; Ekelund, Ulf; Grydeland, May; Anderssen, Sigmund Alfred; Tarp, Jakob; Hansen, Bjørge Herman (Peer reviewed; Journal article, 2022)Background: Access to screen-based media has been revolutionized during the past two decades. How this has affected sedentary time (ST) accumulation in children is poorly understood. Methods: This study, based on the ... -
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 Herman; 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 ... -
Establishing the convergent validity of the travel habit questions in the health behavior in school-aged children questionnaire by quantifying active travel in Norwegian adolescents
Malnes, Lena Hansen; Haugen, Tommy; Kolle, Elin; Berntsen, Sveinung; Hansen, Bjørge Herman (Peer reviewed; Journal article, 2022)Background: Active travel (cycling or walking to school) can be a substantial part of adolescents' daily physical activity. Research on transport activities primarily relies on self-reported indices of travel mode and ... -
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 Herman; 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 ... -
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 Herman; Kriemler, Susi; Ried-Larsen, Mathias; Wedderkopp, Niels; Sardinha, Luis B.; Møller, Niels Christian; Hallal, Pedro C.; Anderssen, Sigmund Alfred; Northstone, Kate; Andersen, Lars Bo (Peer reviewed; Journal article, 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 ... -
Physical activity in patients with oligo- and polyarticular juvenile idiopathic arthritis diagnosed in the era of biologics: A controlled cross-sectional study
Risum, Kristine; Hansen, Bjørge Herman; Selvaag, Anne Marit G; Molberg, Øyvind; Dagfinrud, Hanne; Sanner, Helga (Journal article; Peer reviewed, 2018)Background: Knowledge about objectively measured levels of physical activity (PA) and PA participation (included facilitators and barriers for PA) in patients with juvenile idiopathic arthritis (JIA) diagnosed in the era ... -
Physical activity levels in adults and elderly from triaxial and uniaxial accelerometry: The Tromsø Study
Sagelv, Edvard Hamnvik; Ekelund, Ulf; Pedersen, Sigurd; Brage, Søren; Hansen, Bjørge Herman; Johansson, Jonas; Grimsgaard, Sameline; Nordström, Anna; Horsch, Alexander; Hopstock, Laila Arnesdatter; Morseth, Bente (Peer reviewed; Journal article, 2019)Introduction: Surveillance of physical activity at the population level increases the knowledge on levels and trends of physical activity, which may support public health initiatives to promote physical activity. Physical ... -
Physical activity pattern and cardiorespiratory fitness in individuals with schizophrenia compared with a population-based sample
Andersen, Eivind; Holmen, Tom Langerud; Egeland, Jens; Martinsen, Egil Wilhelm; Bigseth, Therese Torgersen; Bang-Kittilsen, Gry; Anderssen, Sigmund Alfred; Hansen, Bjørge Herman; Engh, John Abel (Journal article; Peer reviewed, 2018)Objective: Thorough description of objectively assessed physical activity (PA) and sedentary time in people with schizophrenia is lacking, and previous studies comparing PA and cardiorespiratory fitness levels with healthy ... -
Prevalence of accelerometer-measured physical activity in adolescents in Fit Futures – part of the Tromsø Study
Beldo, Sigurd; Morseth, Bente; Christoffersen, Tore; Halvorsen, Peder Andreas; Hansen, Bjørge Herman; Furberg, Anne-Sofie; Ekelund, Ulf; Horsch, Alexander (Peer reviewed; Journal article, 2020)Background: Previous studies show large variations in physical activity (PA) levels among adolescents. However, the number of studies is limited and even fewer studies have assessed PA in adolescents by accelerometer ... -
Step by step: Association of device‐measured daily steps with all‐cause mortality - A prospective cohort Study
Hansen, Bjørge Herman; Dalene, Knut Eirik; Ekelund, Ulf; Fagerland, Morten; Kolle, Elin; Steene-Johannessen, Jostein; Tarp, Jakob; Anderssen, Sigmund Alfred (Peer reviewed; Journal article, 2020)Introduction: Walking is free, does not require special training, and can be done almost everywhere. Therefore, walking is a feasible behavior on which to tailor public health messages. This study assesses the prospective ... -
Variations in accelerometry measured physical activity and sedentary time across Europe: Harmonized analyses of 47,497 children and adolescents
Steene-Johannessen, Jostein; Hansen, Bjørge Herman; 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 ...