Academic article
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Arne Kodal; Ingvar Bjelland; Rolf Gjestad
et al. (2017). Subtyping social anxiety in youth. (external link)
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Nicolas Øyane; Ingvar Bjelland; Ståle Pallesen
et al. (2008). Seasonality is associated with anxiety and depression: The Hordaland health study. (external link)
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Anne Mari Sund; Ingvar Bjelland; Helge Holgersen
et al. (2012). Depresjon hos barn og unge - med vekt på biologiske modeller. (external link)
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Bjørg Ulvik; Ingvar Bjelland; Berit Rokne Hanestad
et al. (2008). Comparison of the Short Form 36 and the Hospital Anxiety and Depression Scale measuring emotional distress in patients admitted for elective coronary angiography. (external link)
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Gro Janne Henningsen Wergeland; Krister Fjermestad; Carla E. Marin
et al. (2014). An effectiveness study of individual vs. group cognitive behavioral therapy for anxiety disorders in youth. (external link)
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Elisabeth Jeppesen; Ingvar Bjelland; Sophie Dorothea Fosså
et al. (2014). Does a parental history of cancer moderate the associations between impaired health status in parents and psychosocial problems in teenagers: a HUNT study.. (external link)
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Ingvar Bjelland; Per Magne Ueland; Stein Emil Vollset
(2003). Folate and depression. (external link)
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Gry Lill Hamre; Reidunn Huus; Bente Storm Mowatt Haugland
et al. (2019). Fedres deltagelse i utredning og behandling av barn og ungdom med angstlidelse. (external link)
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Krister Fjermestad; Christina Lium; Einar Heiervang
et al. (2020). Parental internalizing symptoms as predictors of anxiety symptoms in clinic-referred children. (external link)
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Heike Eichele; Tom Eichele; Ingvar Bjelland
et al. (2016). Performance monitoring in medication-naïve children with Tourette Syndrome. (external link)
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Ingvar Bjelland; Maj-Britt Rocio Posserud; Gro Janne Henningsen Wergeland
(2022). Dialogue based early detection—Development of a novel approach for detection of mental health problems among children in daycare centers. (external link)
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Ingvar Bjelland; Steinar Krokstad; Arnstein Mykletun
et al. (2008). Does a higher educational level protect against anxiety and depression? The HUNT study. (external link)
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Alv Andreas Dahl; Ingvar Bjelland; Tor Jacob Moe
et al. (2002). Etablering av en gruppe for psykiatrisk epidemiologisk forskning i Bergen. (external link)
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Ingvar Bjelland; Grethe Seppola Tell; Stein Emil Vollset
et al. (2003). Folate, Vitamin B12, Homocysteine, and the MTHFR 677C->T Polymorphism in Anxiety and Depression: The Hordaland Homocysteine Study. (external link)
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Tarjei Widding-Havnerås; Henrik Daae Zachrisson; Simen Markussen
et al. (2023). Effect of Pharmacological Treatment of Attention-Deficit/Hyperactivity Disorder on Criminality. (external link)
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Ingvild Lyhmann; Tarjei Widding-Havnerås; Henrik Daae Zachrisson
et al. (2022). Variation in attitudes toward diagnosis and medication of ADHD: a survey among clinicians in the Norwegian child and adolescent mental health services. (external link)
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Einar Heiervang; Kjell Morten Stormark; Astri Johansen Lundervold
et al. (2007). Psychiatric disorders in Norwegian 8-to 10-year-olds: An epidemiological survey of prevalence, risk factors, and service use. (external link)
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Felice N. Jacka; Arnstein Mykletun; Michael Berk
et al. (2011). The association between habitual diet quality and the common mental disorders in community-dwelling adults: the Hordaland health study. (external link)
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Gro Janne Wergeland; Krister Fjermestad; Carla E. Marin
et al. (2016). Predictors of treatment outcome in an effectiveness trial of cognitive behavioral therapy for children with anxiety disorders. (external link)
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Eystein Stordal; Ingvar Bjelland; Alf Dahl
et al. (2003). Anxiety and depression in individuals with somatic health problems. The Nord-Trondelag Health Study (HUNT). (external link)
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Bjørg Ulvik; Ingvar Bjelland; Berit Rokne Hanestad
et al. (2008). Comparison of the Short Form 36 and the Hospital Anxiety and Depression Scale measuring emotional distress in patients admitted for elective coronary angiography. (external link)
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Elisabeth Jeppesen; Ingvar Bjelland; Sophie Dorothea Fosså
et al. (2016). Health-related quality of life in teenagers with a parent with cancer. (external link)
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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)
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Felice N Jacka; Simon Øverland; Robert Stewart
et al. (2009). Association between magnesium intake and depression and anxiety in community-dwelling adults: the Hordaland Health Study. (external link)
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Maria Therese Barøy Ræder; Ingvar Bjelland; Stein Emil Vollset
et al. (2006). Obesity, dyslipidemia, and diabetes with selective serotonin reuptake inhibitors: The Hordaland Health Study. (external link)
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Helga Refsum; Eha Nurk; A.D. Smith
et al. (2006). The hordaland homocysteine study: A community-based study of homocysteine, its determinants, and associations with disease. (external link)
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Tarjei Widding-Havnerås; Felix Elwert; Simen Markussen
et al. (2023). Effect of ADHD medication on risk of injuries: a preference-based instrumental variable analysis. (external link)
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Jon Skarstein; Ingvar Bjelland; Alv A Dahl
et al. (2005). Is there an association between haemoglobin, depression, and anxiety in cancer patients?. (external link)
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Karstein Haldorsen; Ingvar Bjelland; Anne Isine Bolstad
et al. (2011). A five-year prospective study of fatigue in primary Sjögren’s syndrome. (external link)
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Eha Nurk; Helga Refsum; Ingvar Bjelland
et al. (2013). Plasma free choline, betaine and cognitive performance: the Hordaland Health Study. (external link)
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Maria Therese Barøy Ræder; Vidar Martin Steen; Stein Emil Vollset
et al. (2007). Associations between cod liver oil use and symptoms of depression: The Hordaland Health Study. (external link)
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Gunhild Felde; Ingvar Bjelland; Steinar Hunskaar
(2012). Anxiety and depression associated with incontinence in middle-aged women: a large Norwegian cross-sectional study. (external link)
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Bjørn Hildrum; Arnstein Mykletun; Eystein Stordal
et al. (2007). Association of low blood pressure with anxiety and depression: the Nord-Trondelag Health Study. (external link)
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Ashmita Chaulagain; Tarjei Widding-Havnerås; Ingvild Lyhmann
et al. (2025). Lifetime Contacts with Child Welfare Services among Children and Adolescents with ADHD: A Population-Based Registry Study. (external link)
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Ingvar Bjelland; Alv Andreas Dahl; Tone Tangen Haug
et al. (2002). The validity of the Hospital Anxiety and Depression Scale: An updated literature review. (external link)
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Ingvar Bjelland; Grethe S Tell; Stein Emil Vollset
et al. (2009). Choline in anxiety and depression: the Hordaland Health Study. (external link)
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Anne Mari Sund; Ingvar Bjelland; Helge Holgersen
et al. (2012). Om depresjon hos barn og unge med vekt på biologiske modeller. (external link)
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Elisabeth Jeppesen; Ingvar Bjelland; Sophie Dorothea Fosså
et al. (2013). Psychosocial problems of teenagers who have a parent with cancer: a population-based case-control study (Young-HUNT Study). (external link)
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Tove Aminda Hanssen; Jan Erik Nordrehaug; Geir Egil Eide
et al. (2009). Anxiety and depression after acute myocardial infarction: an 18-month follow-up study with repeated measures and comparison with a reference population. (external link)
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Arne Kodal; Krister Fjermestad; Ingvar Bjelland
et al. (2017). Long-term effectiveness of cognitive behavioral therapy for youth with anxiety disorders. (external link)
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Karin Nordin; Afsaneh Hayat Roshanai; Cathrine Bjorvatn
et al. (2011). Is genetic counseling a stressful event?. (external link)
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Arnstein Mykletun; Tarjei Widding-Havneraas; Ashmita Chaulagain
et al. (2021). Causal modelling of variation in clinical practice and long-term outcomes of ADHD using Norwegian registry data: The ADHD controversy project. (external link)
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Tarjei Widding-Havneraas; Simen Markussen; Felix Elwert
et al. (2022). Geographical variation in ADHD: do diagnoses reflect symptom levels?. (external link)
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Ingvild Lyhmann; Tarjei Widding-Havnerås; Ingvar Bjelland
et al. (2024). Effect of pharmacological treatment of attention-deficit/hyperactivity disorder on later psychiatric comorbidity: a population-based prospective long-term study. (external link)
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Ingvar Bjelland; Alv Andreas Dahl
(1999). Angst og depresjon - en vanlig blanding. (external link)
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Ingvar Bjelland; Stein A Lie; Alv A Dahl
et al. (2009). A dimensional versus a categorical approach to diagnosis: Anxiety and depression in the HUNT 2 study. (external link)
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Tore Hofstad; Olav Nyttingnes; Ingvar Bjelland
et al. (2025). Catchment area characteristics do not account for geographical variation in ADHD diagnoses. (external link)
Conference poster
Media feature article
Academic book chapter
Conference lecture
Conference abstract
Doctoral thesis (PhD)
Academic literature review
Study protocol
See a complete overview of publications in Cristin.