• The causal role of smoking on the risk of hip or knee replacement due to primary osteoarthritis: a Mendelian randomisation analysis of the HUNT study 

      Johnsen, Marianne Bakke; Vie, Gunnhild Åberge; Winsvold, Bendik K S; Bjørngaard, Johan Håkon; Åsvold, Bjørn Olav; Gabrielsen, Maiken Elvestad; Pedersen, Linda Margareth; Hellevik, Alf Inge; Langhammer, Arnulf; Furnes, Ove; Flugsrud, Gunnar B; Skorpen, Frank; Romundstad, Pål Richard; Storheim, Kjersti; Nordsletten, Lars; Zwart, John-Anker (Peer reviewed; Journal article, 2017-06)
      Objective: Smoking has been associated with a reduced risk of hip and knee osteoarthritis (OA) and subsequent joint replacement. The aim of the present study was to assess whether the observed association is likely to be ...
    • Molecular Subtypes of Breast Cancer: Long-term Incidence Trends and Prognostic Differences 

      Valla, Marit; Vatten, Lars Johan; Engstrøm, Monica J; Haugen, Olav Anton; Akslen, Lars A.; Bjørngaard, Johan Håkon; Hagen, Anne Irene; Ytterhus, Borgny; Bofin, Anna M.; Opdahl, Signe (Peer reviewed; Journal article, 2016-12)
      Background: Secular trends in incidence and prognosis of molecular breast cancer subtypes are poorly described. We studied long-term trends in a population of Norwegian women born 1886–1977. Methods: A total of 52,949 women ...
    • Premature Adult Death in Individuals Born Preterm: A Sibling Comparison in a Prospective Nationwide Follow-Up Study 

      Risnes, Kari Ravndal; Pape, Kristine; Bjørngaard, Johan Håkon; Moster, Dag; Bracken, Michael B; Romundstad, Pål Richard (Peer reviewed; Journal article, 2016-11-07)
      Background: Close to one in ten individuals worldwide is born preterm, and it is important to understand patterns of long-term health and mortality in this group. This study assesses the relationship between gestational ...
    • The role of stress in absenteeism: Cortisol responsiveness among patients on long-term sick leave. 

      Jacobsen, Henrik Børsting; Bjørngaard, Johan Håkon; Hara, Karen Walseth; Borchgrevink, Petter Chr.; Woodhouse, Astrid; Landrø, Nils Inge; Harris, Anette; Stiles, Tore C. (Peer reviewed; Journal article, 2014-05-02)
      Objective: This study aimed to (1) See whether increased or decreased variation relate to subjective reports of common somatic and psychological symptoms for a population on long-term sick leave; and (2) See if this pattern ...