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Professor Department of Clinical Medicine johan.gustav.bellika@uit.no

Johan Gustav Bellika

  • Rolf Wynn, Gunnar Adelsten Ellingsen, Lorena Garcia Fernandez, Vicente Traver, Johan Gustav Bellika, Sunday Oluwafemi Oyeyemi et al.:
    The Tromsø Study: Lessons Learnt About Searching for Information About Health and Illness
    Studies in Health Technology and Informatics 2024 ARKIV / DOI
  • Marit Dagny Kristine Jenssen, Elisa Salvi, Egil Andreas Fors, Ole Andreas Nilsen, Phuong Dinh Ngo, Miguel Angel Tejedor Hernandez et al.:
    Exploring Pain Reduction through Physical Activity: A Case Study of Seven Fibromyalgia Patients
    Bioengineering 2024 ARKIV / DOI
  • Ingeborg Forthun, Guri Rørtveit, Guro Haugen Fossum, Pål Jørgensen, Peder Andreas Halvorsen, Stein Nilsen et al.:
    Søvnforstyrrelser og forskrivning av hypnotika i allmennpraksis – en PraksisNett-studie
    SØVN 2023 ARKIV
  • Kassaye Yitbarek Yigzaw, Taridzo Chomutare, Rolf Wynn, Gro Karine Rosvold Berntsen, Johan Gustav Bellika :
    A Privacy-Preserving Audit and Feedback System for the Antibiotic Prescribing of General Practitioners: Survey Study
    JMIR Formative Research 2022 ARKIV / DOI
  • Kassaye Yitbarek Yigzaw, Sílvia Delgado Olabarriaga, Antonis Michalas, Luis Marco Ruiz, Christiaan Hillen, Yiannis Verginadis et al.:
    Health data security and privacy: Challenges and solutions for the future
    Academic Press 2022 DOI
  • Espen Saxhaug Kristoffersen, Bjørn Bjorvatn, Peder Andreas Halvorsen, Stein Nilsen, Guro Haugen Fossum, Egil Andreas Fors et al.:
    The Norwegian PraksisNett: a nationwide practice-based research network with a novel IT infrastructure
    Scandinavian Journal of Primary Health Care 2022 ARKIV / DOI
  • Taridzo Chomutare, Kassaye Yitbarek Yigzaw, Silvia Delgado Olabarriaga, Alexandra Makhlysheva, Marcela Tuler de Oliveira, Line Silsand et al.:
    Healthcare and data privacy requirements for e-health cloud: A qualitative analysis of clinician perspectives
    IEEE conference proceedings 2021 DOI
  • Andrius Budrionis, Magda Miara, Piotr Miara, Szymon Wilk, Johan Gustav Bellika :
    Benchmarking PySyft Federated Learning Framework on MIMIC-III Dataset
    IEEE Access 2021 DOI
  • Marit Dagny Kristine Jenssen, Per Atle Bakkevoll, Phuong Ngo, Andrius Budrionis, Asbjørn Johansen Fagerlund, Maryam Tayefi et al.:
    Machine Learning in Chronic Pain Research: A Scoping Review
    Applied Sciences 2021 ARKIV / DOI
  • Rolf Wynn, Sunday Oluwafemi Oyeyemi, Andrius Budrionis, Luis Marco Ruiz, Kassaye Yitbarek Yigzaw, Johan Gustav Bellika :
    Electronic Health Use in a Representative Sample of 18,497 Respondents in Norway (The Seventh Tromsø Study - Part 1): Population-Based Questionnaire Study
    JMIR Medical Informatics 2020 ARKIV / DOI
  • Berglind Smaradottir, Asbjørn Johansen Fagerlund, Johan Gustav Bellika :
    User-Centred Design of a Mobile Application for Chronic Pain Management
    Studies in Health Technology and Informatics 2020 ARKIV / DATA / DOI
  • Andrius Budrionis, Rolf Wynn, Luis Marco Ruiz, Kassaye Yitbarek Yigzaw, Svein Bergvik, Sunday Oluwafemi Oyeyemi et al.:
    Impact of the use of electronic health tools on the psychological and emotional well-being of electronic health service users (The Seventh Tromsø Study - Part 3): Population-based questionnaire study
    Journal of Medical Internet Research 2020 ARKIV / DOI
  • Kassaye Yitbarek Yigzaw, Rolf Wynn, Luis Marco Ruiz, Andrius Budrionis, Sunday Oluwafemi Oyeyemi, Asbjørn Johansen Fagerlund et al.:
    The association between health information seeking on the internet and physician visits (The Seventh Tromsø Study - Part 4): Population-based questionnaire study
    Journal of Medical Internet Research 2020 ARKIV / DOI
  • Kassaye Yitbarek Yigzaw, Andrius Budrionis, Luis Marco Ruiz, Torje Dahle Henriksen, Peder Andreas Halvorsen, Johan Gustav Bellika :
    Privacy-preserving architecture for providing feedback to clinicians on their clinical performance
    BMC Medical Informatics and Decision Making 2020 ARKIV / DOI
  • Berglind Smaradottir, Johan Gustav Bellika, Aina Fredeng, Asbjørn Johansen Fagerlund :
    User-Centred Design with a Remote Approach: Experiences from the Chronic Pain Project
    Studies in Health Technology and Informatics 25. November 2020 DATA / ARKIV / DOI
  • Luis Marco Ruiz, Rolf Wynn, Sunday Oluwafemi Oyeyemi, Andrius Budrionis, Kassaye Yitbarek Yigzaw, Johan Gustav Bellika :
    Impact of Illness on Electronic Health Use (The Seventh Tromsø Study - Part 2): Population-Based Questionnaire Study
    Journal of Medical Internet Research 2020 ARKIV / DOI
  • Gro Karine Rosvold Berntsen, Monika Dalbakk, Joseph Hurley, Trine Strand Bergmo, Beate Solbakken, Lisbeth Spansvoll et al.:
    Person-centred, integrated and pro-active care for multi-morbid elderly with advanced care needs: A propensity score-matched controlled trial
    BMC Health Services Research 2019 ARKIV / DOI
  • Luis Marco-Ruiz, Erlend Bønes, Estela de la Asuncion Gonzalez, Elia Gabarron, Juan Carlos Aviles Solis, Eunji Lee et al.:
    Combining multivariate statistics and the think-aloud protocol to assess Human-Computer Interaction barriers in symptom checkers
    Journal of Biomedical Informatics 2017 ARKIV / DOI
  • Kassaye Yitbarek Yigzaw, Antonis Michalas, Johan Gustav Bellika :
    Secure and scalable deduplication of horizontally partitioned health data for privacy-preserving distributed statistical computation
    BMC Medical Informatics and Decision Making 2017 ARKIV / DOI
  • Johan Gustav Bellika, Alexandra Makhlysheva, Per Atle Bakkevoll :
    A Significant Increase in The Risk for Exposure Of Health Information In The United States. Result from Analysing the US Data Breach Registry
    Linköping University Electronic Press 2017 FULLTEKST
  • Rolf Wynn, Johan Gustav Bellika, Lorena Fernandez, Vicente Traver Salcedo :
    THE POPULATION-BASED TROMSØ 8 STUDY AND E-MENTAL HEALTH
    2024
  • Johan Gustav Bellika, Egil Pettersen :
    Digitalisering av helsetjenester utfordrer personvern: - Vi mister kontroll
    29. November 2023
  • Kassaye Yitbarek Yigzaw, Hasse Berntsen, Johan Gustav Bellika :
    – Det er skummelt å tenke på hvor sårbar helsetjenesten vår er i den pågående cyberkrigen
    29. March 2022 FULLTEKST
  • Egil Andreas Fors, Guri Rørtveit, Johan Gustav Bellika, Stein Nilsen, Guro Haugen Fossum, Bjørn Bjorvatn :
    Practice-based research networks: A small step for a GP, but a giant leap for primary care research
    2022
  • Kassaye Yitbarek Yigzaw, Johan Gustav Bellika, Hasse Berntsen :
    How secure are your health data?
    10. May 2022 FULLTEKST
  • Johan Gustav Bellika, Elisa Salvi, Aina Fredeng, Torje Dahle Henriksen, Joseph Hurley, Ciprian-Virgil Gerstenberger et al.:
    Research infrastructure for privacy-preserving distributed analyses of EHR data in primary care
    2022
  • Johan Gustav Bellika, Guri Rørtveit, Ragnhild Skogeng Johansen, Michael Simonsen :
    – Legges PraksisNett på is blir det ikke oppfølging av pasientene
    31. May 2022 FULLTEKST
  • Célia Nilssen, Eirik Årsand, Johan Gustav Bellika :
    Helse-apper på eget ansvar?
    Dagens medisin 04. November 2021
  • Rolf Wynn, Sunday Oluwafemi Oyeyemi, Luis Marco Ruiz, Andrius Budrionis, Kassaye Yitbarek Yigzaw, Johan G. Bellika :
    Use of e-Health by Healthcare Professionals vs. non-Healthcare Professionals
    Studies in Health Technology and Informatics 2021 DOI
  • Johan Gustav Bellika, Peder Andreas Halvorsen, Lisbeth Nilsen :
    Slik kan du sammenligne praksisen din med fastlegekolleger – uten å bli identifisert
    24. May 2021
  • Johan Gustav Bellika, Siri Gulliksen Tømmerbakke :
    Nytt verktøy gjør at fastleger kan sammenligne seg med andre – helt anonymt
    31. May 2021 FULLTEKST
  • Asbjørn Johansen Fagerlund, Berglind Smaradottir, Elisa Salvi, Aina Fredeng, Johan Gustav Bellika :
    How to Retain Participants in User-centered Design? Towards Recommendations for Minimizing Dropouts
    2021
  • Johan Gustav Bellika, Kassaye Yitbarek Yigzaw, Peder Andreas Halvorsen, Oddny Johnsen :
    New tool makes it possible to do research on patient records without seeing sensitive information
    24. January 2021 FULLTEKST
  • Taridzo Chomutare, Kassaye Yitbarek Yigzaw, Sílvia Delgado Olabarriaga, Alexandra Makhlysheva, Marcela Tuler De Oliveira, Line Silsand et al.:
    Healthcare and data privacy requirements for e-health cloud: a qualitative analysis of clinician perspectives
    2021 OMTALE
  • Berglind Smaradottir, Johan Gustav Bellika, Aina Fredeng, Asbjørn Johansen Fagerlund :
    User-centred Design with a Remote Approach: Experiences from the Chronic Pain Project
    2020
  • Berglind Smaradottir, Asbjørn Johansen Fagerlund, Johan Gustav Bellika :
    User-centred Design of a Mobile Application for Chronic Pain Management
    2020
  • Johan Gustav Bellika, Kassaye Yitbarek Yigzaw, Peder Andreas Halvorsen, Oddny Johnsen :
    Nå kan forskere analysere pasientjournaler uten å se sensitiv informasjon
    04. September 2020 FULLTEKST
  • Peder Andreas Halvorsen, Guri Rørtveit, Frank Sullivan, Tuomas H. Koskela, Johan Gustav Bellika, Stein Nilsen :
    Practice based Research Networks: A giant leap for primary care Research (workshop)
    2019
  • Johan Gustav Bellika :
    The Norwegian Primary Care Research Network - Implementation and research; challenges and results so far
    2018 OMTALE
  • Bjørn Bjorvatn, Jørund Straand, Peder Andreas Halvorsen, Knut-Arne Wensaas, Johan Gustav Bellika, Egil Andreas Fors et al.:
    PraksisNett - et nettverk av fastlegepraksiser. En storsatsing på forskning i allmennpraksis.
    Utposten 2018 FULLTEKST
  • Per Atle Bakkevoll, Alexandra Makhlysheva, Andrius Budrionis, Taridzo Chomutare, Line Helen Linstad, Anne Torill Nordsletta et al.:
    Health analytics Kunstig intelligens – nye muligheter for helsetjenesten
    2018 FULLTEKST
  • Alexandra Makhlysheva, Andrius Budrionis, Taridzo Chomutare, Anne Torill Nordsletta, Per Atle Bakkevoll, Torje Dahle Henriksen et al.:
    Health Analytics
    2018 FULLTEKST
  • Alexandra Makhlysheva, Kassaye Yitbarek Yigzaw, Anne Torill Nordsletta, Johan Gustav Bellika :
    Workshop on privacy-preserving statistical computation with Statistics Norway
    2018 FULLTEKST
  • Kassaye Yitbarek Yigzaw, Johan Gustav Bellika, Gunnar Hartvigsen, Anders Andersen, Fred Godtlibsen, Stein Olav Skrøvseth et al.:
    Towards Practical Privacy-Preserving Distributed Statistical Computation of Health Data
    UiT Norges arktiske universitet 2017 SAMMENDRAG
  • Gro Karine Rosvold Berntsen, Joseph Hurley, Monika Dalbakk, Trine Strand Bergmo, Johan Gustav Bellika, Beate Solbakken et al.:
    Person-centered, cross organizational and multiprofessional team halves mortality risk. The PAtient Centered Care Team (PACT) Study – Preliminary results from a comparative effectiveness study
    International Journal of Integrated Care (IJIC) 2017 DOI
  • Johan Gustav Bellika, Alexandra Makhlysheva, Per Atle Bakkevoll :
    Sterk økning i risiko for eksponering av helsedata i USA
    2017 FULLTEKST
  • Per Atle Bakkevoll, Rune Pedersen, Kristian Nicolaisen, Johan Gustav Bellika, Terje Solvoll :
    IKT-støtte for kodeverk og terminologi
    2017 DATA
  • Anne Torill Nordsletta, Johan Gustav Bellika, Rune Pedersen :
    Etablering av teknologisk plattform for benchmarking av effektmål
    2017
  • Kristian Nicolaisen, Rune Pedersen, Johan Gustav Bellika, Luis Marco-Ruiz, Per Atle Bakkevoll :
    Mulighetsvindu for bruk av ontologibaserte terminologier i EIEJ og Helseplattformen
    2017
  • Rune Pedersen, Anne G. Ekeland, Kristian Nicolaisen, Gunn-Hilde Rotvold, Inger Marie Holm, Halgeir Holthe et al.:
    Effektmål for implementeringen av Helseplattformen, en pre-post studie
    2017

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