Academic article
-
Ragnhild Bentung Lygre; John Roger Andersen; Rolf Gjestad
et al. (2025). Paediatric Patients With Multiple Referrals and Complex Health Complaints Experienced Notable Functional Impairment. (external link)
-
Renata Alisauskiene; Else-Marie Løberg; Rolf Gjestad
et al. (2019). The influence of substance use on the effectiveness of antipsychotic medication: a prospective, pragmatic study. (external link)
-
Arne Kodal; Krister Fjermestad; Ingvar Bjelland
et al. (2018). Predictors of long-term outcome of CBT for youth with anxiety disorders treated in community clinics. (external link)
-
Nina Mørkved; Erik Johnsen; Rune Andreas Kroken
et al. (2020). Does childhood trauma influence cognitive functioning in schizophrenia? The association of childhood trauma and cognition in schizophrenia spectrum disorders.. (external link)
-
Brit Haver; Rolf Gjestad; Staffan Lindberg
et al. (2009). Mortality risk up to 25 years after initiation of treatment among 420 Swedish women with alcohol addiction. (external link)
-
Kristin J Fredriksen; Rolf Gjestad; Fredrik A Walby
et al. (2022). High Scores on the Montgomery-Åsberg Depression Rating Scale and Psychotic Symptoms Predict Suicide: A Prospective Cohort Study of Psychiatric Acute Ward Patients. (external link)
-
Renata Alisauskiene; Erik Johnsen; Rolf Gjestad
et al. (2021). The Influence of Substance Use on Side Effects of Olanzapine, Quetiapine, Risperidone, and Ziprasidone in Psychosis. (external link)
-
Ragnar Urheim; Tom Krisman Kule Palmstierna; Knut Rypdal
et al. (2020). Violence rate dropped during a shift to individualized patient-oriented care in a high security forensic psychiatric ward.. (external link)
-
Iren Johnsen; Julia Sande Mikkelsen; Aurora Aarhus Opheim
et al. (2023). To lose a friend: the relationship between professional help and grief among close bereaved friends after the terror attack, 22 July 2011. (external link)
-
Camilla Sandvik; Rolf Gjestad; Johannes Brug
et al. (2007). The application of a social cognition model in explaining fruit intake in Austrian, Norwegian and Spanish schoolchildren using structural equation modelling. (external link)
-
Atle Dyregrov; Rolf Gjestad; A.M. Bie Wikander
et al. (1999). Reactions following the sudden death of a classmate. (external link)
-
Atle Dyregrov; J. K. Kristoffersen; Rolf Gjestad
(1996). Voluntary and professional disaster–workers. Similarities and differences in reactions. (external link)
-
Mari Winje; Sarah van Mastrigt; Rolf Gjestad
et al. (2018). Staff members’ evaluation of inpatients’ motivation for aggression - the roles of staff restrictions and aggression severity. (external link)
-
Berit Skretting Solberg; Liv Grimstvedt Kvalvik; Johanne Telnes Instanes
et al. (2023). Maternal Fiber Intake During Pregnancy and Development of Attention-Deficit/Hyperactivity Disorder Symptoms Across Childhood: The Norwegian Mother, Father, and Child Cohort Study. (external link)
-
Tine Nordgreen; Rolf Gjestad; Gerhard Andersson
et al. (2018). The implementation of guided Internet-based cognitive behaviour therapy for panic disorder in a routine-care setting: effectiveness and implementation efforts. (external link)
-
Farivar Fathian; Rolf Gjestad; Rune Andreas Kroken
et al. (2022). Association between C-reactive protein levels and antipsychotic treatment during 12 months follow-up period after acute psychosis. (external link)
-
Lena Antonsen Stabell; Erik Johnsen; Rune Andreas Kroken
et al. (2026). Levels of and changes in psychosis symptoms and clinical insight: Exploring the impact of differential antipsychotic mechanisms. (external link)
-
Jill Kristin Bjarke; Rolf Gjestad; Tine Nordgreen
(2025). Effectiveness of General Practitioner Referral Versus Self-Referral Pathways to Guided Internet-Delivered Cognitive Behavioral Therapy for Depression, Panic Disorder, and Social Anxiety Disorder: Naturalistic Study. (external link)
-
Emilie Sektnan Nordby; Rolf Gjestad; Robin Maria Francisca Kenter
et al. (2022). The Effect of SMS Reminders on Adherence in a Self-Guided Internet-Delivered Intervention for Adults With ADHD. (external link)
-
Siri Helle; Else-Marie Løberg; Rolf Gjestad
et al. (2017). The positive link between executive function and lifetime cannabis use in schizophrenia is not explained by current levels of superior social cognition. (external link)
-
Line Iden Berge; Rolf Gjestad; Johan Petter Franck
et al. (2022). Gender specific early treatment for women with alcohol addiction (EWA): Impact on work related outcomes. A 25-year registry follow-up of a randomized controlled trial (RCT). (external link)
-
Beate Hatlelid Bø; Øyvind Heen Ottesen; Rolf Gjestad
et al. (2016). Patient satisfaction after acute admission for psychosis. (external link)
-
Farivar Fathian; Else-Marie Løberg; Rolf Gjestad
et al. (2018). Associations between C-reactive protein levels and cognition during the first 6 months after acute psychosis. (external link)
-
Smiti Kahlon; Rolf Gjestad; Philip Lindner
et al. (2023). Perfectionism as a predictor of change in digital self-guided interventions for public speaking anxiety in adolescents: A secondary analysis of a four-armed randomized controlled trial. (external link)
-
Eirik Kjelby; Rolf Gjestad; Farivar Fathian
et al. (2023). Antidepressive Effectiveness of Amisulpride, Aripiprazole, and Olanzapine in Patients with Schizophrenia Spectrum Disorders: A Secondary Outcome Analysis of a Pragmatic, Randomized Trial (BeSt InTro). (external link)
-
Eirik Kjelby; Igne Sinkeviciute; Rolf Gjestad
et al. (2015). Suicidality in schizophrenia spectrum disorders: The relationship to hallucinations and persecutory delusions. (external link)
-
Robin Maria Francisca Kenter; Rolf Gjestad; Astri Johansen Lundervold
et al. (2023). A self-guided internet-delivered intervention for adults with ADHD: Results from a randomized controlled trial. (external link)
-
Pål Kristensen; Kari Dyregrov; Rolf Gjestad
(2020). Different Trajectories of Prolonged Grief in Bereaved Family Members After Terror. (external link)
-
Eirik Paulsen Walderhaug; Rolf Gjestad; Jens Egeland
et al. (2019). Relationships between depressive symptoms and panic disorder symptoms during guided internet-delivered cognitive behavior therapy for panic disorder. (external link)
-
Jon Fauskanger Bjåstad; Rolf Gjestad; Krister Westlye Fjermestad
et al. (2023). Adherence, Competence, and Alliance as Predictors of Long-term Outcomes of Cognitive Behavioral Therapy for Youth Anxiety Disorders. (external link)
-
Atle Dyregrov; Pål Kristensen; Anita Fjærestad
et al. (2023). Loss of a Child during a Pandemic. A Mixed Method Study of Parents’ Experiences of Interference with Rituals and Grief. (external link)
-
Atle Dyregrov; Rolf Gjestad; Magne Raundalen
(2002). Children exposed to warfare. A longitudinal study. (external link)
-
Atle Dyregrov; Rolf Gjestad
(2011). Sexuality following the loss of a child. (external link)
-
Atle Dyregrov; Rolf Gjestad; Kari Dyregrov
(2019). Parental relationships following the loss of a child. (external link)
-
Jill Kristin Bjarke; Rolf Gjestad; Tine Nordgreen
(2026). Predicting the path to guided ICBT success across referral pathway for moderate depression and anxiety disorders. (external link)
-
Ane Askeland Buer; Maria Fagerbakke Strømme; Marit Therese Schmid
et al. (2025). Frequent psychiatric admissions and the risk of suicide: a prospective total cohort study 2005–2023. (external link)
-
Pål Teigland Lystrup; Bente Storm Mowatt Haugland; Gro Janne Henningsen Wergeland
et al. (2025). Reduced anxiety and depression predict improved health-related quality of life in school-based CBT. (external link)
-
Ivar Magne Austevoll; Rolf Gjestad; Tore Solberg
et al. (2020). Comparative effectiveness of microdecompression alone vs decompression plus instrumented fusion in lumbar degenerative spondylolisthesis. (external link)
-
Camilla Martens; Frederik Kragerud Goplen; Torbjørn Aasen
et al. (2020). Treatment of horizontal canal BPPV—a randomized sham-controlled trial comparing two therapeutic maneuvers of different speeds. (external link)
-
Arne Kodal; Krister Fjermestad; Ingvar Bjelland
et al. (2017). Long-term effectiveness of cognitive behavioral therapy for youth with anxiety disorders. (external link)
-
Eirik Kjelby; Rolf Gjestad; Igne Sinkeviciute
et al. (2018). Trajectories of depressive symptoms in the acute phase of psychosis: Implications for treatment. (external link)
-
Ragnhild Bentung Lygre; Rolf Gjestad; Tone Merete Norekvål
et al. (2023). An interdisciplinary intervention for children and adolescents with multiple referrals and complex health complaints: a feasibility study. (external link)
-
Lena Antonsen Stabell; Erik Johnsen; Rune Andreas Kroken
et al. (2023). Clinical insight among persons with schizophrenia spectrum disorders treated with amisulpride, aripiprazole or olanzapine: a semi-randomised trial. (external link)
-
Gro Janne Henningsen Wergeland; Åshild Tellefsen Håland; Krister Westlye Fjermestad
et al. (2023). Predictors of school-based cognitive behavior therapy outcome for youth with anxiety. (external link)
-
Ivar Magne Austevoll; Rolf Gjestad; Margreth Grotle
et al. (2019). 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. (external link)
-
Jill Kristin Bjarke; Rolf Gjestad; Liv Solrunn Mellesdal
et al. (2016). Den sårbare tiden etter utskrivelse fra psykiatrisk sykehus - selvmordsrisiko og dokumentasjonspraksis. (external link)
-
Tine Nordgreen; Rolf Gjestad; Gerhard Andersson
et al. (2018). The effectiveness of guided internet-based cognitive behavioral therapy for social anxiety disorder in a routine care setting. (external link)
-
Ragnhild Lygre; Viktoria Mellingen Thuen; Rolf Gjestad
et al. (2020). How can we improve specialist health services for children with multi-referrals? Parent reported experience. (external link)
-
Anne Halmøy; Anna Edit Ring; Rolf Gjestad
et al. (2022). Dialectical behavioral therapy-based group treatment versus treatment as usual for adults with attention-deficit hyperactivity disorder: a multicenter randomized controlled trial. (external link)
-
Thomas Olsen Gramstad; Rolf Gjestad; Brit Haver
(2013). Personality traits predict job stress, depression and anxiety among junior physicians. (external link)
-
Atle Dyregrov; Rolf Gjestad
(2003). A maritime disaster: Reactions and follow–up. (external link)
-
Atle Dyregrov; Leila Gupta; Rolf Gjestad
et al. (2002). Is the culture always right?. (external link)
-
Sunniva Brurok Myklebost; Rolf Gjestad; Yavuz Inal
et al. (2022). Predictors of treatment response to an internet-delivered intervention targeting residual cognitive symptoms after major depressive disorder. (external link)
-
Berit Skretting Solberg; Maj-Britt Rocio Posserud; André Høberg
et al. (2025). Sex differences in self-reported attention-deficit/hyperactivity disorder symptoms in clinical and population-based cohorts. (external link)
-
Jørn Henrik Vold; Rolf Gjestad; Christer F. Aas
et al. (2021). Validation of a three-item Fatigue Severity Scale for patients with substance use disorder: a cohort study from Norway for the period 2016–2020. (external link)
-
Christer Frode Aas; Jørn Henrik Vold; Rolf Gjestad
et al. (2021). Substance use and symptoms of mental health disorders: a prospective cohort of patients with severe substance use disorders in Norway. (external link)
-
Arne Kodal; Ingvar Bjelland; Rolf Gjestad
et al. (2017). Subtyping social anxiety in youth. (external link)
-
Siri Helle; Rolf Gjestad; Erik Johnsen
et al. (2014). Cognitive changes in patients with acute phase psychosis - Effects of illicit drug use. (external link)
-
Bemanian Mitra; Jørn Henrik Vold; Ranadip Chowdhury
et al. (2022). Folate Status as a Nutritional Indicator among People with Substance Use Disorder; A Prospective Cohort Study in Norway. (external link)
-
Jill Kristin Bjarke; Igne Sinkeviciute; Rune Andreas Kroken
et al. (2020). Different response patterns in hallucinations and delusions to antipsychotic treatment. (external link)
-
Thomas Haugen Nag; Rolf Gjestad; Mette Senneseth
(2023). Effects of de-escalation training on student nurses' skills and confidence. (external link)
-
Jørn Henrik Vold; Rolf Gjestad; Christer Frode Aas
et al. (2020). Impact of clinical and sociodemographic factors on fatigue among patients with substance use disorder: a cohort study from Norway for the period 2016–2020. (external link)
-
Martin Lytje; Atle Dyregrov; Rolf Gjestad
(2024). Evaluating Bereavement Response Plans in Daycare: A Comparative Analysis of Support Systems in Denmark and Norway. (external link)
-
Vigdis Elin Giæver Syrstad; Ketil Joachim Ødegaard; Ole Bernt Fasmer
et al. (2019). Cyclothymic temperament: Associations with ADHD, other psychopathology, and medical morbidity in the general population. (external link)
-
Atle Dyregrov; Pål Kristensen; Anita Fjærestad
et al. (2024). Funeral directors’ experiences during the COVID-19 pandemic: a mixed method study. (external link)
-
Liv Solrunn Mellesdal; Rolf Gjestad; Erik Johnsen
et al. (2015). Borderline personality disorder and posttraumatic stress disorder at psychiatric discharge predict general hospital admission for self-harm. (external link)
-
Rolf Gjestad; Johan Franck; Knut Arne Hagtvet
et al. (2011). Level and change in alcohol consumption, depression, and dysfunctional attitudes among female treated for alcohol addiction. (external link)
-
Krister Fjermestad; Øyvind Føreland; Silje Oppedal
et al. (2020). Therapist Alliance-Building Behaviors, Alliance, and Outcomes in Cognitive Behavioral Treatment for Youth Anxiety Disorders. (external link)
-
Pernille Hagland; Anders Lillevik Thorsen; Olga Therese Ousdal
et al. (2021). Disentangling Within- and Between-Person Effects During Response Inhibition in Obsessive-Compulsive Disorder. (external link)
-
Jon Fauskanger Bjåstad; Gro Janne Wergeland; Bente Storm Mowatt Haugland
et al. (2018). Do clinical experience, formal cognitive behavioural therapy training, adherence, and competence predict outcome in cognitive behavioural therapy for anxiety disorders in youth?. (external link)
-
Desire Furnes; Rolf Gjestad; Lars Mehlum
et al. (2021). Borderline Personality Disorder: What Predicts Acute Psychiatric Readmissions?. (external link)
-
Maria Fagerbakke Strømme; Christoffer Bartz-Johannessen; Eirik Kjelby
et al. (2024). Risk factors for mortality in patients admitted to a psychiatric acute ward: A prospective cohort study. (external link)
-
Lena Antonsen Stabell; Rolf Gjestad; Rune Andreas Kroken
et al. (2019). Predictors of treatment satisfaction in antipsychotic-naive and previously medicated patients with acute-phase psychosis. (external link)
-
Torhild Smith Wiker; Rolf Gjestad; Liv Solrunn Mellesdal
et al. (2019). Supported accommodation for people with schizophrenia. (external link)
-
Renata Alisauskiene; Erik Johnsen; Rolf Gjestad
et al. (2023). Does drug use affect the efficacy of amisulpride, aripiprazole and olanzapine in patients with schizophrenia spectrum disorders? Results from a pragmatic, randomised study. (external link)
-
Mette Senneseth; May Aasebø Hauken; Stig Berge Matthiesen
et al. (2016). Facing spousal cancer during child-rearing years: Do social support and hardiness moderate the impact of psychological distress on quality of life?. (external link)
-
Vigdis Elin Giæver Syrstad; Kristin Mjeldheim; Wenche Førland
et al. (2022). Objective assessment of motor activity in a clinical sample of adults with attention-deficit/hyperactivity disorder and/or cyclothymic temperament. (external link)
-
Siri Helle; Petter Andreas Ringen; Ingrid Melle
et al. (2016). Cannabis use is associated with 3 years earlier onset of schizophrenia spectrum disorder in a naturalistic, multi-site sample (N = 1119). (external link)
-
Hallvard Teigen Lund-Heimark; Eirik Kjelby; Lars Mehlum
et al. (2020). Elderly Patients With No Previous Psychiatric History: Suicidality and Other Factors Relating to Psychiatric Acute Admissions. (external link)
-
Ivar Magne Austevoll; Rolf Gjestad; Jens Ivar Brox
et al. (2016). The effectiveness of decompression alone compared with additional fusion for lumbar spinal stenosis with degenerative spondylolisthesis: a pragmatic comparative non-inferiority observational study from the Norwegian Registry for Spine Surgery. (external link)
-
Nikolai L D Fuglseth; Rolf Gjestad; Liv Solrunn Mellesdal
et al. (2016). Factors associated with disallowance of compulsory mental healthcare referrals. (external link)
-
Rolf Gjestad; Johan Petter Franck; Staffan Lindberg
et al. (2011). Early treatment for women with alcohol addiction (EWA) reduces mortality: a randomized controlled trial with long-term register follow-up. (external link)
-
Camilla Sandvik; Rolf Gjestad; Oddrun Samdal
et al. (2010). Does socio-economic status moderate the associations between psychosocial predictors and fruit intake in schoolchildren? The Pro Children Study. (external link)
-
Atle Dyregrov; Anita Fjærestad; Rolf Gjestad
et al. (2020). Young People's Risk Perception and Experience in
Connection with COVID-19. (external link)
-
Erik Johnsen; Farivar Fathian; Rune Andreas Kroken
et al. (2016). The serum level of C-reactive protein (CRP) is associated with cognitive performance in acute phase psychosis. (external link)
-
Erik Johnsen; Rolf Gjestad; Rune Kroken
et al. (2011). Cardiovascular risk in patients admitted for psychosis compared with findings from a population-based study. (external link)
-
Atle Dyregrov; Rolf Gjestad
(2015). Therapeutic weekend gatherings for bereaved parents.. (external link)
-
Gunnhild Eldhuset Hoprekstad; Eirik Kjelby; Rolf Gjestad
et al. (2023). Depression trajectories and cytokines in schizophrenia spectrum disorders - A longitudinal observational study. (external link)
-
Atle Dyregrov; Leila Gupta; Rolf Gjestad
et al. (2000). Trauma exposure and psychological reactions to genocide among Rwandan children. (external link)
-
Else-Marie Løberg; Rolf Gjestad; Maj-Britt Rocio Posserud
et al. (2019). Psychosocial characteristics differentiate non-distressing and distressing voices in 10,346 adolescents. (external link)
-
Desire Furnes; Rolf Gjestad; Knut Rypdal
et al. (2020). Suicidal and violent ideation in acute psychiatric inpatients: prevalence, co-occurrence, and associated characteristics. (external link)
-
Kari Halstensen; Rolf Gjestad; Patrick Luyten
et al. (2021). Depression and Mentalizing: A Psychodynamic Therapy Process Study. (external link)
-
Lisbeth Beate Sandtorv; Silje Katrine Elgen Fevang; Sondre Aasen Nilsen
et al. (2018). Symptoms Associated With Attention Deficit/Hyperactivity Disorder and Autism Spectrum Disorders in School-Aged Children Prenatally Exposed to Substances.. (external link)
-
Helene Charlotte Sande; Ragnar Urheim; Mette Senneseth
et al. (2020). The role of diagnostic characteristics and imposed restrictions in determining aggression motivation in forensic patients. (external link)
Professional article
Conference poster
Conference lecture
Study protocol
Letter to the editor
Journal corrigendum
Doctoral thesis (PhD)
See a complete overview of publications in Cristin.