Study: Hoarding Disorder Symptoms More Highly Comorbid with ADHD Than with OCD
January 12, 2024Hoarding disorder (HD) is significantly more common in people with attention deficit hyperactivity disorder (ADHD) than it is in people with obsessive-compulsive disorder (OCD), according to a study published in the Journal of Psychiatric Research.1Researchers from the Brain Center Firenze in Italy and McMaster University in Canada found that adults with ADHD had a substantially higher prevalence of hoarding disorder (32%) than did adults with OCD (8%) or adults in the control group (4%).A similar pattern emerged during a second analysis focused on hoarding disorder symptoms of excessive clutter and difficulty discarding.
Twenty-two percent of the ADHD group had the condition compared to 6% of the OCD group and 4% of the control group.The American Psychiatric Association defines hoarding disorder as a distinct psychiatric condition characterized by persistent difficulty discarding possessions, regardless of their actual value, resulting in severely cluttered living spaces, distress, and impairment.The APA classified hoarding disorder as a subtype of OCD in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) in 2013.
However, more recent research has revealed that people with hoarding disorder don’t necessarily exhibit classic OCD symptoms.
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