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ADHD characteristics in Canadian Aboriginal children
Lola Baydala1, Jody Sherman, Carmen Rasmussen
1University of Alberta and Misericordia Hospital, Canada. lbaydala@cha.ab.ca
Objective:
The authors examine how many Aboriginal children attending two reservation-based elementary schools in Northern Alberta, Canada, would demonstrate symptoms associated with ADHD using standardized parent and teacher questionnaires.
Method:
Seventy-five Aboriginal children in Grades 1 through 4 are tested. Seventeen of the 75 (22.7%) Aboriginal children demonstrated a match on parent and teacher forms, with T-scores greater than 1.5 standard deviations from the mean on the Conners' ADHD Index, Diagnostic and Statistical Manual of Mental Disorders (4th ed.; DSM-IV) Hyperactive/Impulsive Index, DSM-IV Inattentive Index, and/or DSM-IV Total Combined T-score.
Results:
The number of Aboriginal children found to have symptoms associated with ADHD is significantly higher than expected based on prevalence rates in the general population.
Conclusion:
These findings suggest either a high prevalence of ADHD in Aboriginal children or unique learning and behavioral patterns in Aboriginal children that may erroneously lead to a diagnosis of ADHD if screening questionnaires are used.
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