Symptoms, Cognitive Abilities, Demographics Tied to Age of ADHD Diagnosis
By Lori Solomon HealthDay Reporter
THURSDAY, July 18, 2024 -- IQ, sex, internalizing symptoms, externalizing symptoms, and sociodemographic factors all affect the age of diagnosis of attention-deficit/hyperactivity disorder (ADHD) in children, according to a study published online June 23 in the British Journal of Clinical Psychology.
Carolynn Hare, from the University of Western Ontario in London, Canada, and colleagues examined how child sex and cognitive abilities together are related to the age of ADHD diagnosis and whether symptom presentation (current internalizing and externalizing symptoms) and demographic factors are related to age of diagnosis. The analysis included 1,380 children with ADHD.
The researchers found that higher IQ was related to a later age of diagnosis. Earlier diagnosis was associated with higher hyperactive-impulsive symptoms and externalizing symptoms. In girls, internalizing symptoms tended to be associated with a later age of diagnosis. Later age of diagnosis was associated with higher socioeconomic status and non-White maternal ethnicity.
This study "provides evidence that individual differences, such as cognitive abilities, sex, ADHD symptom presentation, and internalizing and externalizing symptoms, may be related to when an individual receives an ADHD diagnosis. Additionally, it provides evidence that demographic factors, such as ethnicity and socioeconomic status may be related to when an individual receives an ADHD diagnosis," the authors write. "Clinicians should be mindful of these individual differences and demographic factors, and these should be considered when giving diagnoses. On the other hand, these factors may be inhibiting individuals from seeking a diagnosis."
Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.
© 2025 HealthDay. All rights reserved.
Posted July 2024
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