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    • Complement C4 Copy Number Variation is Linked to SSA/Ro and SSB/La Autoantibodies in Systemic Inflammatory Autoimmune Diseases 

      Lundtoft, Christian; Pucholt, Pascal; Martin, Myriam; Bianchi, Matteo; Lundström, Emeli; Eloranta, Maija-Leena; Sandling, Johanna K.; Sjöwall, Christopher; Jönsen, Andreas; Gunnarsson, Iva; Rantapää-Dahlqvist, Solbritt; Bengtsson, Anders A.; Leonard, Dag; Baecklund, Eva; Jonsson, Roland; Hammenfors, Daniel; Forsblad-d'Elia, Helena; Eriksson, Per; Mandl, Thomas; Magnusson Bucher, Sara; Norheim, Katrine Brække; Johnsen, Svein Joar Auglæn; Omdal, Roald; Kvarnström, Marika; Wahren Herlenius, Marie Elisabeth; Notarnicola, Antonella; Andersson, Anna Helena; Molberg, Øyvind; Diederichsen, Louise Pyndt; Almlöf, Jonas; Syvänen, Ann-Christine; Kozyrev, Sergey V.; Lindblad-Toh, Kerstin; Rönnblom, Lars; Brokstad, Karl Albert; Skarstein, Kathrine; Jonsson, Malin Viktoria; Appel, Silke; Aqrawi, Lara A.; Jensen, Janicke Liaaen; Palm, Øyvind; Nilsson, Birgitta Blakstad; Blom, Anna M. (Arthritis & Rheumatology;Volume 74, Issue 8, Peer reviewed; Journal article, 2022-03-21)
      Objective: Copy number variation of the C4 complement components, C4A and C4B, has been associated with systemic inflammatory autoimmune diseases. This study was undertaken to investigate whether C4 copy number variation ...

    • Complex human behavior: Stimulus equivalence and eye-tracking 

      Sadeghi, Pedram (MALKS;2015, Master thesis, 2015)
      One of the approaches towards understanding complex human behavior from the behavior analytic position is the stimulus equivalence paradigm. Understanding of stimulus equivalence is of great importance both in regards of ...

    • Complex return to work process – caseworkers’ experiences of facilitating return to work for individuals on sick leave due to musculoskeletal disorders 

      Løchting, Ida; Grotle, Margreth; Storheim, Kjersti; Foldal, Vegard; Standal, Martin Inge; Fors, Egil Andreas; Eik, Hedda (BMC Public Health;20, Article number: 1822 (2020), Peer reviewed; Journal article, 2020-11-30)
      Musculoskeletal disorders (MSD) are the largest contributor to disability worldwide. In addition to burdening individuals, there are large socioeconomic costs involved. MSD accounts for a considerable use of health services, ...

    • Complexity in concept formation 

      Braaten, Live Fay (MALKS;2013, Master thesis, 2013)
      Researches in behavior analysis have studied concept formation and symbolic behavior, especially within stimulus equivalence. This research has shown that novel responding of untrained relations can emerge, following ...

    • Complexity in the oil and gas industry: a study into exploration and exploitation in integrated operations 

      Bento, Fabio (Journal of Open Innovation: Technology, Market, and Complexity;4:11, Journal article; Peer reviewed, 2018-03-27)
      A common organizational response to the recognition of complexity is the consolidation of collaborative work forms. In the oil and gas industry, developments in communication and automation technologies have enabled the ...

    • Complexity of drug substitutions caused by drug tenders: A mixed-methods study in Denmark 

      Klitgaard Larsen, Lina; Middelbo Outzen, Emilie; Gazerani, Parisa; Plet, Hanne (Peer reviewed; Journal article, 2021)
      Objective: The objective of this study was to investigate factors influencing the complexity of drug substitutions caused by drug tenders in a Danish hospital setting. Methods: A sequential explanatory mixed-methods approach ...

    • Complications, reoperations, readmissions, and length of hospital stay in 34 639 surgical cases of lumbar disc herniation 

      Fjeld, Olaf Randall; Grøvle, Lars; Helgeland, Jon; Småstuen, Milada Cvancarova; Solberg, Tore; Zwart, John-Anker; Grotle, Margreth (The Bone & Joint Journal;Volume 101-B, Issue 4 / April 2019, Journal article; Peer reviewed, 2019-03-31)
      Aims The aims of this study were to determine the rates of surgical complications, reoperations, and readmissions following herniated lumbar disc surgery, and to investigate the impact of sociodemographic factors and ...

    • Comprehensive contact tracing, testing and sequencing show limited transmission of sars‐cov‐2 between children in schools in norway, august 2020 to may 2021 

      Askeland Winje, Brita; Ofitserova, Trine Skogset; Brynildsrud, Ola Brønstad; Greve-Isdahl, Margrethe; Bragstad, Karoline; Rykkvin, Rikard; Hungnes, Olav; Lund, Hilde Marie; Nygård, Karin Maria; Meijerink, Hinta; Brandal, Lin Cathrine T. (Peer reviewed; Journal article, 2021)
      The role of children in the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in schools has been a topic of controversy. In this study among school contacts of SARS-CoV-2 positive children in 43 ...

    • A comprehensive metabolic profiling after a short intervention with different fat quality in healthy individuals 

      Ruud, Emilia (Master thesis, 2023)
      Introduction. Metabolic diseases such as cardiovascular disease (CVD) and type 2 diabetes (T2D) represent major health challenges in the world today. Dysregulation of the lipid metabolism, including elevated cholesterol ...

    • A comprehensive metabolic profiling of the metabolically healthy obesity phenotype 

      Telle-Hansen, Vibeke; Christensen, Jacob J.; Formo, Gulla; Holven, Kirsten Bjørklund; Ulven, Stine Marie (Lipids in Health and Disease;19, Article number: 90 (2020), Journal article; Peer reviewed, 2020-05-09)
      Background: The ever-increasing prevalence of obesity constitutes a major health problem worldwide. A subgroup of obese individuals has been described as “metabolically healthy obese” (MHO). In contrast to metabolically ...

    • Compression forces used in the Norwegian Breast Cancer Screening Program 

      Wåde, Gunvor Gipling; Moshina, Nataliia; Sebuødegård, Sofie; Hogg, Peter; Hofvind, Solveig (Journal article; Peer reviewed, 2017)
      Objective: Compression is used in mammography to reduce breast thickness, which is claimed to improve image quality and reduce radiation dose. In the Norwegian Breast Cancer Screening Program (NBCSP), the recommended ...

    • Computational models of stimulus equivalence: An intersection for the study of symbolic behavior 

      Tovar, Ángel Eugenio; Torres-Chávez, Álvaro; Abolpour Mofrad, Asieh; Arntzen, Erik (Peer reviewed; Journal article, 2023)
      Stimulus equivalence is a central paradigm in the analysis of symbolic behavior, language, and cognition. It describes emergent relations between stimuli that were not explicitly trained and cannot be explained by primary ...

    • Conceptual approaches to culture and communication: Approaches from each of the three levels of selection 

      Bahari, Mohsen (MALKS;2016, Master thesis, 2016)
      B. F. Skinner suggested that selection by consequences is a process that occurs at three levels. Natural selection, selection of individual behavior and cultural selection. In this article we explore the third level of ...

    • Concerns in the Norwegian population during the initial lockdown due to the Covid-19 pandemic 

      Bredal, Inger Schou; Skogstad, Laila; Grimholt, Tine Kristin; Bonsaksen, Tore; Ekeberg, Øivind; Heir, Trond (International Journal of Environmental Research and Public Health (IJERPH);Volume 18, Issue 11, Peer reviewed; Journal article, 2021-06-06)
      Although concern affects one's welfare or happiness, few studies to date have focused on peoples' concerns during the initial COVID-19 lockdown. The aim of the study was to explore concerns in the Norwegian populations ...

    • Concerns in the norwegian population during the initial lockdown due to the covid-19 pandemic 

      Bredal, Inger Schou; Skogstad, Laila; Grimholt, Tine K.; Bonsaksen, Tore; Ekeberg, Øivind; Heir, Trond (International Journal of Environmental Research and Public Health (IJERPH);Volume 18 / Issue 11, Peer reviewed; Journal article, 2021-06-06)
      Although concern affects one’s welfare or happiness, few studies to date have focused on peoples’ concerns during the initial COVID-19 lockdown. The aim of the study was to explore concerns in the Norwegian populations ...

    • Concerns related to the COVID-19 in adult Norwegians during the first outbreak in 2020: A qualitative approach 

      Skogstad, Laila; Bredal, Inger Schou; Bonsaksen, Tore; Heir, Trond; Ekeberg, Øivind; Grimholt, Tine Kristin (International Journal of Environmental Research and Public Health;volume 18, issue 8, Peer reviewed; Journal article, 2021-04-19)
      Concerns related to the first outbreak of the COVID-19 pandemic in the Norwegian population are studied in a cross-sectional web-survey conducted between 8 April and 20 May 2020. The qualitative thematic analysis of the ...

    • Concurrent change in quadriceps strength and physical function over 5 years in The Multicenter Osteoarthritis Study. 

      Bacon, Kathryn; Segal, Neil A.; Øiestad, Britt Elin; Lewis, Cara; Nevitt, Michael; Brown, Carrie; Felson, David T. (Arthritis care & research;, Journal article; Peer reviewed, 2018-09-17)
      Objective: Quadriceps weakness, associated with functional limitations, is a target of treatment of knee osteoarthritis (OA). Limited data exist on modest strength increases and improvements in function. We evaluated ...

    • Conditioned Reinforcement: the Effectiveness of Stimulus—Stimulus Pairing and Operant Discrimination Procedures 

      Vandbakk, Monica; Olaff, Heidi Skorge; Holth, Per (The Psychological Record;, Journal article; Peer reviewed, 2018-09-12)
      The purpose of the present experiment was to evaluate which method, stimulus – stimulus pairing or operant discrimination training, establishes neutral stimuli as more effective conditioned reinforcers, and to explore ...

    • Confirmation bias: Prevalence and debiasing techniques 

      Holth, Elise (MALKS;2019, Master thesis, 2019)
      ‘Confirmation bias’ is a phenomenon that has been recognized by philosophers of science through centuries. The phenomenon is commonly defined as a tendency to favor confirmatory evidence in support of already stated ...

    • Confirmatory factor analysis of the proxy version of Kidscreen-27 and relationships between health-related quality of life dimensions and body mass index and physical activity in young schoolchildren 

      Riiser, Kirsti; Helseth, Sølvi; Christophersen, Knut-Andreas; Haraldstad, Kristin (Preventive Medicine Reports;Volume 20, December 2020, Journal article; Peer reviewed, 2020-09-16)
      The aim of the study was to perform a confirmatory factor analysis (CFA) to investigate the psychometric properties of the proxy version of Kidscreen-27 in order to determine whether the instrument can be used to assess ...