Psychiatric disorders and left-handedness in children living in an urban environment

Dora Due Logue, Richard T. Logue, Walter E. Kaufmann, Harolyn M.E. Belcher

Research output: Contribution to journalArticle

Abstract

The objective of this study was to conduct an analysis of left-handed children treated in an urban mental health clinic to investigate the frequency and severity of psychiatric disorders compared to right-handed peers. Data on handedness, diagnoses, hospitalizations and severity of mental disorders were collected on 692 consecutive children, 4–18 years old (M = 10.1, SD = 3.2), referred for psychiatric evaluation. Left-handed children were 18.2% of patients in the study, a rate significantly higher than left-hand dominance in the USA (p <.05). Compared to children with right-handedness, logistic regression analysis yielded 31% [odds ratio (OR) = 1.31, 95% confidence interval (CI): 1.15–1.50] higher odds of having more psychiatric diagnosis, 70% (OR = 1.70, 95% CI: 1.10–2.62) increased odds of anxiety, 53% (OR = 1.53, 95% CI: 1.03–2.27) increased odds of depression and 78% (OR = 1.78, 95% CI: 1.21–2.62) increased odds of oppositional defiant disorder for children who were left-handed. Left-handed children had increased odds of being prescribed antipsychotic and anxiolytic medication uses, 53% and 86% increased odds, respectively, and 66% (OR = 1.66, 95% CI: 1.08–2.55) increased odds of psychiatric hospitalizations. Left-handedness was a phenotypic risk factor for psychiatric disorders and increased severity of psychiatric disorders.

Original languageEnglish (US)
Pages (from-to)249-256
Number of pages8
JournalLaterality
Volume20
Issue number2
DOIs
StatePublished - Mar 4 2015

Keywords

  • Childhood
  • Handedness
  • Oppositional disorder
  • Psychiatric disorders

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Psychology(all)

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