• Population-based norms of the Life Orientation Test–Revised (LOT-R) 

      Bredal, Inger Schou; Heir, Trond; Skogstad, Laila; Bonsaksen, Tore; Lerdal, Anners; Grimholt, Tine Kristin; Ekeberg, Øivind (Journal article; Peer reviewed, 2017)
      Background/Objective: The most common used instrument to measure optimism, both in psychological and medical research, is the Life Orientation Test- Revised (LOT-R). A multi-countries study using the future item from the ...
    • Self-diagnosed depression in the Norwegian general population - associations with neuroticism, extraversion, optimism, and general self-efficacy 

      Bonsaksen, Tore; Grimholt, Tine Kristin; Skogstad, Laila; Lerdal, Anners; Ekeberg, Øivind; Heir, Trond; Bredal, Inger Schou (BMC Public Health;18:1076, Journal article; Peer reviewed, 2018-08-29)
      Background: Multi-item rating scales for depression informs about the level of depression, but does not allow individuals to state by self-evaluation whether they feel depressed or not. The insider perspective on depression ...
    • Self-evaluated anxiety in the Norwegian population: Prevalence and associated factors 

      Bonsaksen, Tore; Heir, Trond; Ekeberg, Øivind; Grimholt, Tine Kristin; Lerdal, Anners; Skogstad, Laila; Bredal, Inger Schou (Archives of Public Health;77, Article number: 10 (2019), Journal article, 2019-03-18)
      Background: Self-evaluations of mental health problems may be a useful complement to diagnostic assessment, but are less frequently used. This study investigated the prevalence of self-evaluated current and lifetime anxiety ...