Ingvar Bjelland

ORCID: 0000-0003-1113-8323
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About
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Research Areas
  • Child and Adolescent Psychosocial and Emotional Development
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Attention Deficit Hyperactivity Disorder
  • Childhood Cancer Survivors' Quality of Life
  • Neural and Behavioral Psychology Studies
  • Cardiac Health and Mental Health
  • Health, psychology, and well-being
  • Folate and B Vitamins Research
  • Family Support in Illness
  • Behavioral and Psychological Studies
  • Functional Brain Connectivity Studies
  • Maternal Mental Health During Pregnancy and Postpartum
  • Early Childhood Education and Development
  • Psychosomatic Disorders and Their Treatments
  • Youth Substance Use and School Attendance
  • Education, Healthcare and Sociology Research
  • Family and Disability Support Research
  • Social and Educational Sciences
  • Attachment and Relationship Dynamics
  • Esophageal and GI Pathology
  • Mental Health Research Topics
  • Music Therapy and Health
  • Health and Well-being Studies
  • Psychological and Temporal Perspectives Research
  • Mind wandering and attention

University of Bergen
2013-2024

Haukeland University Hospital
2014-2024

University of Oslo
2013

Oslo University Hospital
2013

Cambridge University Press
2013

New York University Press
2013

Mental Health Services
2009

FrontLine Service
2009

Center for Child and Adolescent Mental Health, Eastern and Southern Norway
2008

King's College London
2007

Recent evidence suggests a role for diet quality in the common mental disorders depression and anxiety. We aimed to investigate association between quality, dietary patterns, Norwegian adults.This cross-sectional study included 5731 population-based men women aged 46 49 70 74 years. Habitual was assessed using validated food frequency questionnaire, health measured Hospital Anxiety Depression Scale.After adjustments variables including age, education, income, physical activity, smoking,...

10.1097/psy.0b013e318222831a article EN Psychosomatic Medicine 2011-06-29

<h3>Background</h3> An association between depression and folate status has been demonstrated in clinical studies, whereas data are sparse on the relationship other components of 1-carbon metabolism such as vitamin B<sub>12</sub>, homocysteine, methylenetetrahydrofolate reductase<i>677C→T</i>polymorphism. The anxiety these is less well known. This study examined associations folate, total reductase<i>677C→T</i>polymorphism, a large population-based study. <h3>Methods</h3> Anxiety depression,...

10.1001/archpsyc.60.6.618 article EN Archives of General Psychiatry 2003-06-01

Article Abstract Objective: This study aimed to examine whether subjects taking selective serotonin reuptake inhibitors (SSRIs) are more likely have elements of the metabolic syndrome compared with those no psychotropic drugs. For comparison, we also studied antipsychotic Method: We used data from The Hordaland Health Study '97-'99, a general community cross-sectional health survey including 25,315 aged 40 49 and 70 74 years. groups studied, estimated prevalence odds ratios (ORs) for...

10.4088/jcp.v67n1219 article EN The Journal of Clinical Psychiatry 2006-12-15

Objective: Systemic inflammation is associated with both the dietary intake of magnesium, and depression. Limited experimental clinical data suggest an association between magnesium Thus, there are reasons to consider as a variable interest in depressive disorders. The aim present study was examine depression anxiety large sample community-dwelling men women. This consisted 5708 individuals aged 46–49 or 70–74 years who participated Hordaland Health Study Western Norway. Methods: Symptoms...

10.1080/00048670802534408 article EN Australian & New Zealand Journal of Psychiatry 2009-01-01

Cognitive behavioral therapy (CBT) has demonstrated favorable long-term outcomes in youth with anxiety disorders efficacy trials. However, of CBT delivered a community setting are uncertain. This study examined the individual (ICBT) and group (GCBT) treated mental health clinics. A total 139 (mean age at assessment 15.5 years, range 11-21 years) principal diagnosis separation disorder (SAD), social (SOP), and/or generalized (GAD) were evaluated, on average, 3.9 years post-treatment (range...

10.1016/j.janxdis.2017.11.003 article EN cc-by-nc-nd Journal of Anxiety Disorders 2017-11-26

Low blood pressure has mainly been regarded as ideal, but recent studies have indicated an association with depression in elderly people.To investigate whether low is associated anxiety and the general population.Cross-sectional study.Participants population-based Nord-Trøndelag Health Study (HUNT-2, 1995-7), Norway.60,799 men women aged 20-89 years filled Hospital Anxiety Depression Scale part of a health study. Systolic diastolic was classified age-stratified sex-stratified centile...

10.1136/jech.2005.044966 article EN Journal of Epidemiology & Community Health 2006-12-20

Recently, there has been substantial improvement in coronary care and a corresponding reduction mortality after acute myocardial infarction (AMI). Some studies suggest that improved prognosis led to reduced levels of anxiety depression AMI, both the short long term. The aims this study were assess symptoms from event 18 months following compare results with Norwegian reference population.The progress 288 patients was monitored using self-reports 3, 6, 12 AMI. Anxiety measured by Hospital...

10.1097/hjr.0b013e32832e4206 article EN European Journal of Cardiovascular Prevention & Rehabilitation 2009-11-20

Fatigue is prevalent in primary Sjögren's syndrome (pSS), and contributes to the considerably reduced health related quality of life this disease. The symptom included proposed disease activity outcome measures for pSS. Several studies indicate that there an inflammatory component fatigue pSS other chronic rheumatic diseases. purpose study was investigate change a longitudinal study, explore whether any clinical or laboratory variables at baseline, including serum cytokines, were associated...

10.1186/ar3487 article EN cc-by Arthritis Research & Therapy 2011-01-01

Abstract The aim of this study was to compare a dimensional and categorical approach diagnosis, using as an illustration co‐occurring symptoms anxiety depression concerning description, associations predictive power. We analysed data from 60 869 individuals with valid ratings on the Hospital Anxiety Depression Scale (HADS) mental impairment in age range 20 89 years cross‐sectional Nord‐Trøndelag Health Study 1995–1997. There wide variation symptom level (subscale scores) within both...

10.1002/mpr.284 article EN International Journal of Methods in Psychiatric Research 2009-06-01

Choline and betaine are nutrients involved in one-carbon metabolism. is essential for neurodevelopment brain function. We studied the associations between cognitive function plasma concentrations of free choline betaine. In a cross-sectional study, 2195 subjects (55 % women), aged 70–74 years, underwent extensive testing including Kendrick Object Learning Test (KOLT), Trail Making (part A, TMT-A), modified versions Digit Symbol (m-DST), Block Design (m-BD), Mini-Mental State Examination...

10.1017/s0007114512001249 article EN British Journal Of Nutrition 2012-05-01

There is a high occurrence of depressive symptoms in patients with somatic health problems. About one-third individuals problems have anxiety disorders and/or depression. Comorbid disorder and depression are found to be more strongly associated than pure Objective - To examine the relationship between various general population. Design Cross-sectional study survey methods clinical examinations. Setting The Health Study Nord-Trøndelag, Norway (the HUNT study). Participants 60 &#116 869 aged...

10.1080/02813430310002030 article EN Scandinavian Journal of Primary Health Care 2003-01-01

Abstract Background Geographical variation in Attention-Deficit/Hyperactivity Disorder (ADHD) diagnoses remains poorly understood. Previous research has found that the ADHD rates between Child and Adolescent Mental Health Services (CAMHS) is not attributable to symptom load catchment areas of CAMHS. This study aimed investigate if geographical ADHD-diagnosis per population patient, as well referral CAMHS, were associated with area characteristics. Methods We used data from Norwegian Patient...

10.1007/s00787-025-02720-x article EN cc-by European Child & Adolescent Psychiatry 2025-04-24
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