Blar i Bergen Open Research Archive på forfatter "Gjestad, Rolf"
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The application of a social cognition model in explaining fruit intake in Austrian, Norwegian and Spanish schoolchildren using structural equation modelling
Sandvik, Camilla; Gjestad, Rolf; Brug, Johannes; Rasmussen, Mette; Wind, Marianne; Wolf, Alexandra; Pérez-Rodrigo, Carmen; De Bourdeaudhuij, Ilse; Samdal, Oddrun; Klepp, Knut-Inge (Peer reviewed; Journal article, 2007-11-14)Background: The aim of this paper was to test the goodness of fit of the Attitude – Social influence – self-Efficacy (ASE) model in explaining schoolchildren's intentions to eat fruit and their actual fruit intake in ... -
Cognitive changes in patients with acute phase psychosis - Effects of illicit drug use
Helle, Siri; Gjestad, Rolf; Johnsen, Erik; Kroken, Rune; Jørgensen, Hugo A.; Løberg, Else-Marie (Peer reviewed; Journal article, 2014-12)Illicit drug use may influence cognition in non-affective psychosis. Previous studies have shown better cognition in psychosis with illicit drug use as compared to psychosis only. Possibly, illicit drug using patients have ... -
Cyclothymic temperament: Associations with ADHD, other psychopathology, and medical morbidity in the general population
Syrstad, Vigdis Elin Giæver; Ødegaard, Ketil Joachim; Fasmer, Ole Bernt; Halmøy, Anne; Haavik, Jan; Dilsaver, Stephen C.; Gjestad, Rolf (Peer reviewed; Journal article, 2020)Background: Cyclothymic temperament (CT) is an affective disposition often preceding bipolar disorder (BD), and is the most common affective temperament in patients with BD. In depressed patients, CT is a predictor for ... -
Follow-up score, change score or percentage change score for determining clinical important outcome following surgery? An observational study from the Norwegian registry for Spine surgery evaluating patient reported outcome measures in lumbar spinal stenosis and lumbar degenerative spondylolisthesis
Austevoll, Ivar Magne; Gjestad, Rolf; Grotle, Margreth; Solberg, Tore; Brox, Jens Ivar; Hermansen, Erland; Rekeland, Frode; Indrekvam, Kari; Storheim, Kjersti; Hellum, Christian (Peer reviewed; Journal article, 2019-01-18)Background: Assessment of outcomes for spinal surgeries is challenging, and an ideal measurement that reflects all aspects of importance for the patients does not exist. Oswestry Disability Index (ODI), EuroQol (EQ-5D) and ... -
Long-term effectiveness of cognitive behavioral therapy for youth with anxiety disorders
Kodal, Arne; Fjermestad, Krister; Bjelland, Ingvar; Gjestad, Rolf; Øst, Lars Gøran; Bjåstad, Jon Fauskanger; Haugland, Bente Storm Mowatt; Havik, Odd E.; Heiervang, Einar; Wergeland, Gro Janne (Peer reviewed; Journal article, 2018-01)Cognitive behavioral therapy (CBT) has demonstrated favorable long-term outcomes in youth with anxiety disorders in efficacy trials. However, long-term outcomes of CBT delivered in a community setting are uncertain. This ... -
Parental relationships following the loss of a child
Dyregrov, Atle; Gjestad, Rolf; Dyregrov, Kari (Peer reviewed; Journal article, 2020)To enhance understanding of parental relationships following the loss of a child, a questionnaire was sent to members of Norwegian bereavement support organizations. The sample consisted of 175 couples. Using the Dyadic ... -
Personality traits predict job stress, depression and anxiety among junior physicians
Gramstad, Thomas Olsen; Gjestad, Rolf; Haver, Brit (Peer reviewed; Journal article, 2013-11-09)Background: High levels of stress and deteriorating mental health among medical students are commonly reported. In Bergen, Norway, we explored the impact of personality traits measured early in their curriculum on stress ... -
Psychosocial characteristics differentiate non-distressing and distressing voices in 10,346 adolescents
Løberg, Else-Marie; Gjestad, Rolf; Posserud, Maj-Britt Rocio; Kompus, Kristiina; Lundervold, Astri (Peer reviewed; Journal article, 2019)Adolescents hearing non-existent voices may be at risk for psychosis, but the prevalence of voice-hearing (VH) in the general population complicates clinical interpretations. Differentiating between VH with and without ... -
Relationships between depressive symptoms and panic disorder symptoms during guided internet-delivered cognitive behavior therapy for panic disorder
Walderhaug, Eirik Paulsen; Gjestad, Rolf; Egeland, Jens; Havik, Odd E.; Nordgreen, Tine (Peer reviewed; Journal article, 2019)Aims: The current study explore the relationship between the trajectories of primary panic disorder symptoms and secondary depressive symptoms during guided internet-delivered cognitive behaviour therapy for panic disorder. ... -
The serum level of C-reactive protein (CRP) is associated with cognitive performance in acute phase psychosis
Johnsen, Erik; Fathian, Farivar; Kroken, Rune A; Steen, Vidar M; Jørgensen, Hugo A; Gjestad, Rolf; Løberg, Else-Marie (Peer reviewed; Journal article, 2016-03-14)Background Inflammatory processes have been implicated in the etiology of schizophrenia and related psychoses, in which cognitive deficits represent core symptoms. The aim of the present study was to investigate possible ... -
Subtyping social anxiety in youth
Kodal, Arne; Bjelland, Ingvar; Gjestad, Rolf; Wergeland, Gro Janne; Havik, Odd E.; Heiervang, Einar; Fjermestad, Krister (Peer reviewed; Journal article, 2017-06)Few empirical studies have examined subtypes of social anxiety disorder (SAD) in youth, and limited consensus resides on the nature of potential subtypes. Identifying subtypes, based on both fear and avoidance patterns, ... -
Symptoms Associated With Attention Deficit/Hyperactivity Disorder and Autism Spectrum Disorders in School-Aged Children Prenatally Exposed to Substances
Sandtorv, Lisbeth Beate; Fevang, Silje Katrine Elgen; Nilsen, Sondre Aasen; Bøe, Tormod; Gjestad, Rolf; Haugland, Siren; Elgen, Irene Bircow (Peer reviewed; Journal article, 2018)Prenatal exposure to substances may influence a child’s neurodevelopment and impact on subsequent mental health. In a hospital-based population of school-aged children prenatally exposed to opiates and a number of illicit ... -
Treatment of horizontal canal BPPV—a randomized sham-controlled trial comparing two therapeutic maneuvers of different speeds
Martens, Camilla; Goplen, Frederik Kragerud; Aasen, Torbjørn; Gjestad, Rolf; Nordfalk, Karl Fredrik; Nordahl, Stein Helge Glad (Journal article; Peer reviewed, 2020)Objectives: To compare the effect of a high‐speed barbecue maneuver with the modified Lempert maneuver and sham in patients with benign paroxysmal positional vertigo (BPPV) of the horizontal canal. Methods: Randomized ...