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Children with ADHD Symptoms Have a Higher Risk for Reading, Spelling and Math Difficulties in the GINIplus and LISAplus Cohort Studies

  • Darina Czamara
  • , Carla M.T. Tiesler
  • , Gabriele Kohlböck
  • , Dietrich Berdel
  • , Barbara Hoffmann
  • , Carl Peter Bauer
  • , Sibylle Koletzko
  • , Beate Schaaf
  • , Irina Lehmann
  • , Olf Herbarth
  • , Andrea von Berg
  • , Bertram Müller-Myhsok
  • , Gerd Schulte-Körne
  • , Joachim Heinrich
  • Max Planck Institute of Psychiatry
  • Munich Cluster for Systems Neurology (SyNergy)
  • Helmholtz Zentrum München German Research Center for Environmental Health
  • Ludwig-Maximilians-Universität München
  • Marien-Hospital Wesel
  • Heinrich-Heine-University
  • Medical Practice for Pediatrics
  • Helmholtz-Zentrum für Umweltforschung (UFZ)
  • University of Leipzig
  • University of Munich

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

Attention-deficit/hyperactivity disorder (ADHD) and dyslexia belong to the most common neuro-behavioral childhood disorders with prevalences of around 5% in school-aged children. It is estimated that 20-60% of individuals affected with ADHD also present with learning disorders. We investigated the comorbidity between ADHD symptoms and reading/spelling and math difficulties in two on-going population-based birth cohort studies. Children with ADHD symptoms were at significantly higher risk of also showing reading/spelling difficulties or disorder (Odds Ratio (OR) = 2.80, p = 6.59×10-13) as compared to children without ADHD symptoms. For math difficulties the association was similar (OR = 2.55, p = 3.63×10-04). Our results strengthen the hypothesis that ADHD and learning disorders are comorbid and share, at least partially, the same underlying process. Up to date, it is not clear, on which exact functional processes this comorbidity is based.

Original languageEnglish
Article numbere63859
JournalPLoS ONE
Volume8
Issue number5
DOIs
StatePublished - 27 May 2013

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