Jonas Johansson


Senior Researcher

Job description

I am a Senior Researcher employed at the Department of Community Medicine, UiT. I primarily work with epidemiological research data from the Tromsø Study and I lead the scientific committee for the upcoming Tromsø8 data collection wave planned to take place in 2025-2026. I also work with the RESTART project, a randomized controlled trial where we will investigate how a complex lifestyle intervention can improve and maintain the health status of older adults 60+. My background is in exercise physiology and I have a PhD in Public Health.


  • Erlend Johannessen, Jonas Johansson, Gunnar Hartvigsen, Alexander Horsch, Eirik Årsand, André Henriksen :
    Collecting health-related research data using consumer-based wireless smart scales
    International Journal of Medical Informatics 2023 ARKIV / DOI
  • Shreeshti Uchai, Lene Frost Andersen, Jonas Johansson, Laila Arnesdatter Hopstock, Anette Hjartåker :
    Dual-Energy X-Ray Absorptiometry Derived Adiposity Measures and Pre-Frailty/Frailty among Norwegian Adults: The Tromsø Study 2007–2015
    The Journal of Nutrition, Health & Aging 2023 ARKIV / DOI
  • Erlend Johannessen, André Henriksen, Gunnar Hartvigsen, Alexander Horsch, Eirik Årsand, Jonas Johansson :
    Ubiquitous digital health-related data: clarification of concepts
    2022 ARKIV / DOI
  • Saija Mikkilä, Jonas Johansson, Anna Hava Nordström, Peter Nordström, Nina Emaus, Bjørn Helge Handegård et al.:
    A 15-year follow-up study of hip bone mineral density and associations with leisure time physical activity. The Tromsø Study 2001-2016
    PLOS ONE 2022 ARKIV / DOI
  • Jonas Johansson, Nina Emaus, Bastiaan Geelhoed, Edvard Hamnvik Sagelv, Bente Morseth :
    Vertebral Fractures Assessed by Dual-Energy X-Ray Absorptiometry and All-Cause Mortality: The Tromsø Study, 2007-2020
    American Journal of Epidemiology 2022 ARKIV / DOI
  • Trygve Sigvart Deraas, Laila Arnesdatter Hopstock, André Henriksen, Bente Morseth, Anne-Sofie Sand, Inger Njølstad et al.:
    Complex lifestyle intervention among inactive older adults with elevated cardiovascular disease risk and obesity: a mixed-method, single-arm feasibility study for RESTART—a randomized controlled trial
    BMC Pilot and Feasibility Studies 2021 ARKIV / DOI
  • Jonas Johansson, Bente Morseth, David Scott, Bjørn Heine Strand, Laila Arnesdatter Hopstock, Sameline Grimsgaard :
    Moderate-to-vigorous physical activity modifies the relationship between sedentary time and sarcopenia: the Tromsø Study 2015–2016
    Journal of Cachexia, Sarcopenia and Muscle 01. June 2021 ARKIV / DOI
  • Marie Wasmuth Lundblad, Bjarne Koster Jacobsen, Jonas Johansson, Emanuella de Lucia Rolfe, Sameline Grimsgaard, Laila Arnesdatter Hopstock :
    Reference Values for DXA-Derived Visceral Adipose Tissue in Adults 40 Years and Older from a European Population: The Tromsø Study 2015–2016
    Journal of Obesity 2021 ARKIV / DOI
  • Marie Wasmuth Lundblad, Bjarne Koster Jacobsen, Jonas Johansson, Sameline Grimsgaard, Lene Frost Andersen, Laila Arnesdatter Hopstock :
    Anthropometric measures are satisfactory substitutes for the DXA‐derived visceral adipose tissue in the association with cardiometabolic risk—The Tromsø Study 2015–2016
    Obesity Science & Practice 2021 ARKIV / DOI
  • Marie Wasmuth Lundblad, Jonas Johansson, Bjarne Koster Jacobsen, Sameline Grimsgaard, Lene Frost Andersen, Tom Wilsgaard et al.:
    Secular and longitudinal trends in body composition: The Tromsø Study, 2001 to 2016
    Obesity 2021 ARKIV / DOI
  • Rachel Cooper, Vladimir M. Shkolnikov, Alexander Kudryavtsev, Sofia Malyutina, Andrew Ryabikov, Laila Arnesdatter Hopstock et al.:
    Between-study differences in grip strength: a comparison of Norwegian and Russian adults aged 40–69 years
    Journal of Cachexia, Sarcopenia and Muscle 2021 ARKIV / DOI
  • Niklas Sörlén, Andreas Hult, Peter Nordström, Anna Hava Nordström, Jonas Johansson :
    Short-term balance training and acute effects on postural sway in balance-deficient older adults: a randomized controlled trial
    BMC sports science, medicine and rehabilitation 2021 ARKIV / DOI
  • Jonas Johansson, Bjørn Heine Strand, Bente Morseth, Laila Arnesdatter Hopstock, Sameline Grimsgaard :
    Differences in sarcopenia prevalence between upper-body and lower-body based EWGSOP2 muscle strength criteria: the Tromsø study 2015–2016
    BMC Geriatrics 2020 ARKIV / DOI
  • Anna Hava Nordström, Jonathan Bergman, Sabine Björk, Bo Carlberg, Jonas Johansson, Andreas Hult et al.:
    A multiple risk factor program is associated with decreased risk of cardiovascular disease in 70-year-olds: A cohort study from Sweden
    PLoS Medicine 2020 ARKIV / DOI
  • David Scott, Jonas Johansson, Peter R. Ebeling, Peter Nordström, Anna Hava Nordström :
    Adiposity Without Obesity: Associations with Osteoporosis, Sarcopenia, and Falls in the Healthy Ageing Initiative Cohort Study
    Obesity 2020 ARKIV / DOI
  • André Henriksen, Jonas Johansson, Gunnar Hartvigsen, Sameline Grimsgaard, Laila Arnesdatter Hopstock :
    Measuring Physical Activity Using Triaxial Wrist Worn Polar Activity Trackers: A Systematic Review
    International Journal of Exercise Science 2020 FULLTEKST / ARKIV
  • Edvard Hamnvik Sagelv, Laila Arnesdatter Hopstock, Jonas Johansson, Bjørge Hermann Hansen, Brage Søren, Alexander Horsch et al.:
    Criterion validity of two physical activity and one sedentary time questionnaire against accelerometry in a large cohort of adults and older adults
    BMJ Open sport & exercise medicine 2020 ARKIV / DOI
  • David Scott, Jonas Johansson, Anoohya Gandham, Peter R Ebeling, Peter Nordström, Anna Hava Nordström :
    Associations of accelerometer-determined physical activity and sedentary behavior with sarcopenia and incident falls over 12 months in community-dwelling Swedish older adults
    Journal of Sport and Health Science 2020 ARKIV / DOI
  • Edvard Hamnvik Sagelv, Ulf Ekelund, Sigurd Pedersen, Søren Brage, Bjørge Hermann Hansen, Jonas Johansson et al.:
    Physical activity levels in adults and elderly from triaxial and uniaxial accelerometry. The Tromsø Study
    PLOS ONE 03. December 2019 ARKIV / DOI
  • Jonas Johansson, Ewa Jarocka, Göran Westling, Anna Hava Nordström, Peter Nordström :
    Predicting incident falls: relationship between postural sway and limits of stability in older adults
    Human Movement Science 2019 DOI
  • David Scott, Jonas Johansson, Lachlan McMillan, Peter R Ebeling, Peter Nordström, Anna Hava Nordström :
    Associations of Sarcopenia and Its Components with Bone Structure and Incident Falls in Swedish Older Adults
    Calcified Tissue International 2019 ARKIV / DOI
  • David Scott, Jonas Johansson, Lachlan McMillan, Peter R Ebeling, Anna Hava Nordström, Peter Nordström :
    Mid-calf skeletal muscle density and its associations with physical activity, bone health and incident 12-month falls in older adults: The Healthy Ageing Initiative
    Bone 2019 ARKIV / DOI
  • Jonas Johansson, Andreas Hult, Bente Morseth, Anna Hava Nordström, Peter Nordström :
    Self-reported protein intake and properties of bone in community-dwelling older individuals.
    Archives of Osteoporosis 2018 DOI
  • Olle Hallkvist, Jonas Johansson, Anna Hava Nordström, Peter Nordström, Andreas Hult :
    Dairy product intake and bone properties in 70-year-old men and women
    Archives of Osteoporosis 2018 DOI
  • Sanna Vikberg, Niklas Sörlén, Lisa Brandén, Jonas Johansson, Anna Hava Nordström, Andreas Hult et al.:
    Effects of Resistance Training on Functional Strength and Muscle Mass in 70-Year-Old Individuals With Pre-sarcopenia: A Randomized Controlled Trial
    Journal of the American Medical Directors Association 2018 DOI
  • Andreas Hult, Jonas Johansson, Peter Nordström, Anna Hava Nordström :
    Objectively Measured Physical Activity in Older Adults With and Without Diabetes
    Clinical Diabetes 2018 DOI
  • Jonas Johansson, Anna Hava Nordström, Yngve Gunnar Gustafson, Göran Westling, Peter Nordström :
    Increased postural sway during quiet stance as a risk factor for prospective falls in community-dwelling elderly individuals
    Age and Ageing 2017 DOI
  • Jonas Johansson, Anna Hava Nordström, Peter Nordström :
    Greater Fall Risk in Elderly Women Than in Men Is Associated With Increased Gait Variability During Multitasking
    Journal of the American Medical Directors Association 2016 DOI
  • Jonas Johansson, Anna Hava Nordström, Peter Nordström :
    Objectively measured physical activity is associated with parameters of bone in 70-year-old men and women
    Bone 2015 DOI
  • Erlend Johannessen, André Henriksen, Eirik Årsand, Alexander Horsch, Jonas Johansson, Gunnar Hartvigsen :
    Health Research Requires Efficient Platforms for Data Collection from Personal Devices
    Studies in Health Technology and Informatics 2023 ARKIV / DOI
  • Jonas Johansson, Erik Krogseth Heimdal :
    Ingeborg Thue (89) satt i en stol nesten hele dagen. Metoden som endret livet hennes, hylles av eksperter.
    23. July 2023
  • Jonas Lars Johansson, Anne Sameline Grimsgaard :
    RESTART vil styrke helsen blant eldre voksne med høy sykdomsrisiko
    2023
  • Jonas Johansson, Sameline Grimsgaard, Silje Dyregrov :
    Fire myter om trening og eldre
    16. September 2022
  • Edvard Hamnvik Sagelv, Laila Arnesdatter Hopstock, Bente Morseth, Bjørge Hermann Hansen, Jostein Steene-Johannessen, Sigmund Alfred Anderssen et al.:
    Physical activity and mortality: Effect modification by sedentary time. An individual participant data analysis of four cohorts with accelerometry measured physical activity
    2022
  • Erlend Johannessen, André Henriksen, Gunnar Hartvigsen, Alexander Horsch, Eirik Årsand, Jonas Johansson :
    Ubiquitous digital health-related data: clarification of concepts
    2022
  • Marie Wasmuth Lundblad, Laila Arnesdatter Hopstock, Jonas Johansson :
    Kan du måle hvor sunn du er?
    UiT Forskerhjørnet 2022
  • Jonas Johansson, Nina Emaus, Bastiaan Geelhoed, Edvard Hamnvik Sagelv, Bente Morseth :
    Associations between vertebral fracture and mortality. The Tromsø Study 2007-2020
    2021
  • Jonas Johansson :
    Prevalence of sarcopenia and association with objectively measured physical activity: The Tromsø Study
    2021
  • Jonas Johansson :
    Idrettsforskning podcast : Eldre og styrketrening - episode 48
    11. October 2021
  • Jonas Johansson, Bente Morseth, David Scott, Bjørn Heine Strand, Laila Arnesdatter Hopstock, Sameline Grimsgaard :
    Moderate-to-vigorous physical activity modifies the relationship between sedentary time and sarcopenia: The Tromsø Study 2015-2016
    2021
  • Jonas Johansson, Bjørn Heine Strand, Bente Morseth, Laila Arnesdatter Hopstock, Sameline Grimsgaard :
    Prevalence of sarcopenia in a Northern Scandinavian population according to updated EWGSOP2 thresholds for upper-body or lower-body strength: The Tromsø Study
    2020
  • Marie Wasmuth Lundblad, Bjarne K. Jacobsen, Sameline Grimsgaard, Lene Frost Andersen, Monica Hauger Carlsen, Jonas Johansson et al.:
    Total energy and macronutrient intake according to body mass index, fat mass index and body fat percentage: The seventh Tromsø Study 2015-16
    2019
  • André Henriksen, Sameline Grimsgaard, Laila Arnesdatter Hopstock, Jonas Johansson, Trygve Sigvart Deraas :
    One year of physical activity tracking using a consumer pulse watch: Wear time and device accuracy in a 6-month complex lifestyle intervention feasibility study
    2019
  • Trygve Sigvart Deraas, Bente Morseth, Jonas Johansson, André Henriksen, Gøran Knaplund, Laila Arnesdatter Hopstock et al.:
    Effects of a 22-week strength and endurance training intervention in sedentary, obese people with increased cardiovascular disease risk: Lessons learned from a complex feasibility study
    2019
  • Jonas Johansson, André Henriksen, Gøran Knaplund, Bente Morseth, Laila Arnesdatter Hopstock, Trygve Sigvart Deraas :
    Protocol adherence during cycling-based interval exercise using Polar M430 physical activity trackers for self-monitoring of heart rate: Lessons learned from a 6-month feasibility study
    2019
  • Edvard Hamnvik Sagelv, Ulf Ekelund, Jonas Johansson, Søren Brage, Alexander Horsch, Laila Arnesdatter Hopstock et al.:
    Comparing a short physical activity questionnaire with accelerometer measures as criterion validity: The Tromsø Study
    2019
  • Edvard Hamnvik Sagelv, Ulf Ekelund, Jonas Johansson, Boye Welde, Sameline Grimsgaard, Nina Emaus et al.:
    Measures of adiposity and its association to physical activity: The Tromsø Study
    2019
  • Vilde Lehne Michalsen, Jonas Johansson, Nils Abel Aars :
    Det er ikke ett fett hvor fettet lagres
    https://blogg.uit.no/helsefak/ 2019
  • Jonas Johansson :
    The Healthy Ageing Initiative - Prevention of Falls and Fractures
    2018
  • Jonas Johansson, David Leon, Heidi Johansen, Sameline Grimsgaard, Laila Arnesdatter Hopstock :
    In-progress validation study of body composition measures assessed by Dual-Energy X-ray Absorptiometry (DXA) and Bioimpedance Analysis (BiA)
    2018

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    Research interests

    • Sarcopenia and physical functioning
    • Body composition
    • Physical activity measurement
    • Falls/fractures risk assessment and prediction
    • Osteoporosis and bone metabolism
    • Healthy ageing

    Teaching

    Supervises Masters' theses at the Master of public health program, Master in clinical nutrition program, and the Master in medicine program. 



    Member of project