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J Atten Disord. 2016 Dec;20(12):1030-1038. Epub 2014 Apr 17.

Psychiatric Comorbidities in a New Zealand Sample of Adults With ADHD.

Author information

1
University of Canterbury, Christchurch, New Zealand julia.rucklidge@canterbury.ac.nz.
2
University of Canterbury, Christchurch, New Zealand.
3
LightBox Psychology Services, Christchurch, New Zealand.
4
Sultan Bin Abdulaziz Humanitarian City, Riyadh, Saudi Arabia.
5
Canterbury District Health Board, Christchurch, New Zealand.

Abstract

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.

KEYWORDS:

ADHD; adult; comorbidities; gender; psychiatric

PMID:
24743977
DOI:
10.1177/1087054714529457
[Indexed for MEDLINE]

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