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The Factor Structure of ADHD in a General Population of Primary School Children
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Ullebo, Anne Karin; Breivik, Kyrre; Gillberg, Christopher; Lundervold, Astri J.; Posserud, Maj-Britt – Journal of Child Psychology and Psychiatry, 2012
Objective: To examine whether a bifactor model with a general ADHD factor and domain specific factors of inattention, hyperactivity and impulsivity was supported in a large general population sample of children. We also explored the utility of forming subscales based on the domain-specific factors. Methods: Child mental health questionnaires were…
Descriptors: Conceptual Tempo, Hyperactivity, Factor Structure, Factor Analysis
Psychiatric Disorders in Norwegian 8- to 10-Year-Olds: An Epidemiological Survey of Prevalence, Risk Factors, and Service Use
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Heiervang, Einar; Stormark, Kjell M.; Lundervold, Astri J.; Heimann, Mikael; Goodman, Robert; Posserud, Maj-Britt; Ullebo, Anne K.; Plessen, Kerstin J.; Bjelland, Ingvar; Lie, Stein A.; Gillberg, Christopher – Journal of the American Academy of Child & Adolescent Psychiatry, 2007
Objective: The Bergen Child Study is a longitudinal study of child mental health from the city of Bergen, Norway. We present methods and results from the first wave of the study, focusing on prevalence of disorders, associations with risk factors, and the use of services. Method: The target population included all 9,430 children attending grades 2…
Descriptors: Mental Health, Mental Disorders, Grade 3, Grade 4