Exploring the relationships between problem gambling and ADHD: A meta-analysis

Abstract

OBJECTIVE:
At present, there are inconsistencies in the literature pertaining to the association between ADHD and problem gambling. This study utilized meta-analytic techniques to clarify the association between symptoms of problem gambling and symptoms of ADHD.

METHOD:
Several meta-analyses were conducted using a random effects model. PsycINFO, PubMed, ProQuest Dissertations & Theses, and Google Scholar were searched for relevant studies.

RESULTS:
The weighted mean correlation between ADHD symptomology and gambling severity was r = .17, 95% confidence interval (CI) = [0.12, 0.22], p < .001. Mean age of the sample was the only moderator to approach significance, with greater age being linked to a stronger relationship between symptoms of ADHD and gambling severity.

CONCLUSION:
Clinicians needs to be cognizant of the greater risk of ADHD symptoms when working with problem gamblers and vice versa.

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