Academic article

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

Academic lecture

• Nordgreen, Tine; Gjestad, Rolf (2025). To veier til effektiv digital behandling av depresjon og angstlidelser. (external link)
• Nordgreen, Tine; Gjestad, Rolf (2025). Exploring two referral pathways to care. (external link)
• Danielsen, Yngvild Sørebø; Stige, Signe Hjelen; Rekkedal, Guro Årdal et al. (2024). Traumatic experiences and the effectiveness of eating disorder treatment. (external link)
• Bjåstad, Jon Fauskanger; Gjestad, Rolf; Fjermestad, Krister Westlye et al. (2023). Does adherence, competence and alliance predict long-term outcome in CBT for anxiety disorders in youth. (external link)
• Mellesdal, Liv Solrunn; Gjestad, Rolf; Ødegaard, Ketil Joachim et al. (2019). Factors related to future suicide in patients admitted to a psychiatric acute ward. (external link)

Reader opinion piece

• Kjelby, Eirik; Gjestad, Rolf; Fathian, Farivar et al. (2024). Reply to a Letter to the Editors From Dr de Souza and colleagues: "Unraveling the Optimal Treatment Approach for Depression in Schizophrenia Spectrum: A Quest for Clarity". (external link)
• Ousdal, Olga Therese; Gjestad, Rolf; Oltedal, Leif (2021). Reply to: Clinical Relevance of Brain Changes After Electroconvulsive Therapy: Is There Really No Link at All?. (external link)

Poster

• Bjarke, Jill Kristin; Gjestad, Rolf; Kvale, Gerd et al. (2024). Engagement with a digital follow-up program after concentrated treatment affects illness perception and patient activation. (external link)
• Fathian, Farivar; Løberg, Else-Marie; Gjestad, Rolf et al. (2018). Longitudinal relationship to cognitive function in acute phase of psychosis in a pragmatic, randomized trial. (external link)
• Fathian, Farivar; Løberg, Else-Marie; Gjestad, Rolf et al. (2017). The C-reactive protein in schizophrenia-spectrum disorders: relationship to cognitive function in acute phase of psychosis with a longitudinal perspective in a pragmatic, randomized trial. (external link)
• Kroken, Rune Andreas; Løberg, Else-Marie; Gjestad, Rolf et al. (2017). The influence of 3 weeks of antipsychotic treatment on cell adhesion molecules in drug naive patients with schizophrenia spectrum disorder. (external link)
• Wergeland, Gro Janne Henningsen; Bjåstad, Jon Fauskanger; Haugland, Bente Storm Mowatt et al. (2017). Does Clinical Experience, Formal Cognitive-Behavioral Therapy (CBT) Training, Adherence, and Competence Predict Outcome in CBT for Anxiety Disorders in Youth?. (external link)

Article in business/trade/industry journal

• Halstensen, Kari; Gjestad, Rolf; Wampold, Bruce E. et al. (2022). Adressing patients' relationships with god in psychotherapy: Exploring psychodynamic therapy, depressive symptoms, and attachments to God.. (external link)
• Nordanger, Dag Øystein; Gjestad, Rolf; Solhaug, Pål et al. (2021). Trauma and Development Education Monitor: et nytt instrument for å måle traumekompetanse. (external link)
• Nordanger, Dag; Gjestad, Rolf; Solhaug, Pål et al. (2021). Trauma and development education monitor: Et nytt instrument for å måle traumekompetanse. (external link)

Errata

• Urheim, Ragnar; Palmstierna, Tom Krisman Kule; Rypdal, Knut et al. (2021). Correction to: Violence rate dropped during a shift to individualized patient-oriented care in a high security forensic psychiatric ward. (external link)

Doctoral dissertation

• Gjestad, Rolf (2012). Modeling comorbidity change and long-term mortality - A treatment study of women with alcohol addiction. (external link)

See a complete overview of publications in Cristin.