Psychiatric Comorbidities in a New Zealand Sample of Adults With ADHD

Objective: To examine the rates of psychiatric comorbidities within a New Zealand sample of adults with ADHD compared with a community control group. Method: We merged six data sets to obtain a sample of 222 adults (158 ADHD, 64 controls). Comorbidities were assessed using the Structured Clinical In...

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Bibliographic Details
Published in:Journal of attention disorders 2016-12, Vol.20 (12), p.1030-1038
Main Authors: Rucklidge, Julia J., Downs-Woolley, Michelle, Taylor, Mairin, Brown, Jason A., Harrow, Sarah-Eve
Format: Article
Language:English
Subjects:
Adolescent
Adult
Attention Deficit Disorder with Hyperactivity - diagnosis
Attention Deficit Disorder with Hyperactivity - epidemiology
Attention Deficit Disorder with Hyperactivity - psychology
Comorbidity
Depressive Disorder, Major - epidemiology
Diagnostic and Statistical Manual of Mental Disorders
Female
Humans
Male
Middle Aged
New Zealand - epidemiology
Phobic Disorders - epidemiology
Psychiatric Status Rating Scales - statistics & numerical data
Residence Characteristics
Social Class
Substance-Related Disorders - diagnosis
Substance-Related Disorders - epidemiology
Young Adult
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Summary:Objective: To examine the rates of psychiatric comorbidities within a New Zealand sample of adults with ADHD compared with a community control group. Method: We merged six data sets to obtain a sample of 222 adults (158 ADHD, 64 controls). Comorbidities were assessed using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (4th ed. text rev. [DSM-IV-TR]) Axis-I disorders. Results: Both groups were equivalent in IQ, socioeconomic status, gender, education, income levels, and age. Lifetime rates of psychiatric disorders were significantly higher in the ADHD group (83%) versus the control group (52%) with higher rates of major depressive disorder (MDD; 65% vs. 36%), social phobia (31% vs. 11%), substance abuse (26% vs. 8%), and alcohol abuse (32% vs. 14%). Within the ADHD group, other than a group difference in specific phobias, there were no gender differences. Conclusion: The findings are consistent with international research; adults with ADHD in New Zealand have higher rates of psychiatric disorders than the general population.
ISSN:1087-0547
1557-1246
DOI:10.1177/1087054714529457