• Correlated physical and mental health composite scores for the RAND-36 and RAND-12 health surveys: can we keep them simple? 

      Andersen, John Roger; Breivik, Kyrre; Engelund, Inger Elise; Iversen, Marjolein M.; Kirkeleit, Jorunn; Norekvål, Tone Merete; Oterhals, Kjersti; Storesund, Anette (Journal article; Peer reviewed, 2022-06-03)
      Background: The RAND-36 and RAND-12 (equivalent to versions 1 of the SF-36 Health Survey and SF-12 Health Survey, respectively) are widely used measures of health-related quality of life. However, there are diverging views ...
    • Psychometric Properties of the Norwegian Version of the Fear of COVID-19 Scale 

      Iversen, Marjolein M.; Norekvål, Tone Merete; Oterhals, Kjersti; Fadnes, Lars T; Mæland, Silje; pakpour, AH; Breivik, Kyrre (Journal article; Peer reviewed, 2021)
      To examine the psychometric properties of the Norwegian version of the Fear of COVID-19 Scale (FCV-19S), randomly selected individuals from a larger registry study were invited. We assessed the reliability and validity of ...
    • The Trunk Impairment Scale - modified to ordinal scales in the Norwegian version 

      Gjelsvik, Bente Elisabeth Bassøe; Breivik, Kyrre; Verheyden, Geert; Smedal, Tori; Hofstad, Håkon; Strand, Liv Inger (Peer reviewed; Journal article, 2012-08)
      Purpose: To translate the Trunk Impairment Scale (TIS), a measure of trunk control in patients with stroke, into Norwegian (TIS-NV), and to explore its construct validity, internal consistency, intertester and test-retest ...