Is clinical anxiety a risk or a protective factor for executive functioning in youth with ADHD? A meta-regression analysis

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Is clinical anxiety a risk or a protective factor for executive functioning in youth with ADHD? A meta-regression analysis

Type: Article / Letter to editor
Title: Is clinical anxiety a risk or a protective factor for executive functioning in youth with ADHD? A meta-regression analysis
Author: Maric, M.Bexkens, A.Bogels, S.M.
Journal Title: Clinical Child and Family Psychology Review
Issue: 3
Volume: 21
Start Page: 340
End Page: 353
Pages: 14
Issue Date: 2018
Keywords: Attention-deficit/hyperactivity disorder (ADHD)
Anxiety disorder
Attention
Response inhibition
Working memory
Meta-analysis
Abstract: Comorbidity rates between ADHD and anxiety disorders (AD) are high, but little is known about the nature of this co-occurrence. A dominant idea is that AD may intensify some (i.e., attention and working memory) and attenuate other (i.e., inhibition) ADHD symptoms. Results are mixed, potentially because of between-study differences. To investigate this further we performed a meta-regression analysis on 11 studies (n ‘ADHD-only’ = 695; n ‘ADHD + AD’ = 608), containing 35 effect sizes on attention, inhibition and working memory. Main results were: (1) no evidence of a negative effect of AD on attention and working memory; (2) better response inhibition in children with ADHD with AD than those with only ADHD (medium ES g = − .40); (3) medication moderated this association: the effect seemed limited to studies that included medication-naïve participants; (4) the difference between the two groups increased with age for attention and with proportion of boys for working memory ability. There was no effect of comorbid disruptive behavior disorder. In conclusion, AD seems to be a protective factor for inhibition problems as assessed with laboratory tasks in ADHD, especially in children who are medication naïve. Further, AD may have a protective function for attention in older children, and for working memory in boys with ADHD. It is therefore important to screen for AD when diagnosing ADHD, and to educate those with comorbid AD about the possible positive function of feeling anxious. Potential negative effects of ADHD medication on inhibition in children with comorbid AD should be considered.
Uri: https://link.springer.com/article/10.1007/s10567-018-0255-8
Handle: http://hdl.handle.net/1887/68816
 

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