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Implications of Co-occurrence Between ADHD and Anxiety in a Community-based Child Sample
Sonia Tremblay1, Erik G Willcutt1
1University of Colorado, Boulder, USA.
Children with Attention-Deficit/Hyperactivity Disorder (ADHD) are over twice as likely to have anxiety. This co-occurrence leads to greater functional impairment, especially in girls, highlighting the need for integrated treatment approaches.
Area of Science:
- Child psychology
- Neurodevelopmental disorders
- Clinical psychology
Background:
- Attention-Deficit/Hyperactivity Disorder (ADHD) and anxiety disorders are prevalent in children.
- Research has primarily focused on individual conditions, with less attention to their co-occurrence.
- Understanding the combined impact of ADHD and anxiety is crucial for effective intervention.
Purpose of the Study:
- To determine the prevalence of co-occurring ADHD and anxiety in school-aged children.
- To compare academic, social, and adaptive functioning in children with ADHD alone, anxiety alone, both conditions, or neither.
- To investigate sex differences in the co-occurrence and impairment associated with ADHD and anxiety.
Main Methods:
- A community-based sample of 2,257 school-age children was assessed.
- Prevalence of co-occurring ADHD and anxiety was calculated.
- Impairment across academic, social, and adaptive domains was compared across diagnostic groups.
- Sex differences in prevalence and impairment were explored.
Main Results:
- Children with ADHD were more than twice as likely to exhibit elevated anxiety compared to children without ADHD.
- While ADHD was more prevalent in boys, girls with ADHD showed higher rates of co-occurring anxiety.
- Both ADHD and anxiety were linked to significant functional impairment, with the most severe impairment observed in children with both conditions.
Conclusions:
- The co-occurrence of ADHD and anxiety in children is clinically significant.
- Children with both ADHD and anxiety experience the greatest functional impairment.
- Further research is needed to understand and address this complex comorbidity.
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