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ADHD symptoms and maturity - A study in primary school children
Dept of Child and Adolescent Psychiatry Lund University.
Dept of Child and Adolescent Psychiatry Lund University.
Dept of Radiology Malmö University Hospital.
Dept of Orthopaedics Malmö University Hospital.
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2008 (English)In: Acta Paediatrica, ISSN 0803-5253, Vol. 97, no 2, 233-238 p.Article in journal (Refereed) Published
Abstract [en]

Aim: To study if age and non-behavioural measures of biological maturity have any associations with attention deficit hyperactivity disorder (ADHD). Methods: Two hundred fifty-one children 7 to 9 years of age in a Swedish school were screened for ADHD-symptom. ADHD-symptoms were estimated by Conners Abbreviated Questionnaire by both parents and teachers. Motor function, body weight and body height were measured. Skeletal age was estimated through hand radiographs. Results: Height, weight and skeletal bone-age did correlate significantly with age (rs = 0.44-0.69, p < 0.001) but not with ADHD symptom scores. Motor dysfunction had a weak negative correlation with age (rs = -0.21, p < 0.05). Parent and teacher scores of ADHD-symptoms did not correlate with age. Conclusion: This study showed that the variables measuring general biological maturity had a strong association with age, whereas motor dysfunction and ADHD symptoms had no significant association with age. ADHD symptoms did not correlate with the variables measuring general biological maturity. These results do not support the hypothesis that a general biological immaturity is an important etiologic factor for ADHD symptomatology. © 2007 The Author(s).

Place, publisher, year, edition, pages
2008. Vol. 97, no 2, 233-238 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-42970DOI: 10.1111/j.1651-2227.2007.00608.xLocal ID: 70301OAI: diva2:263827
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2011-01-10

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Svedin, Carl Göran
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Faculty of Health SciencesChild and Adolescent Psychiatry
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