Journal of the American Academy of Child & Adolescent Psychiatry
New researchThe Space of Common Psychiatric Disorders in Adolescents: Comorbidity Structure and Individual Latent Liabilities
Section snippets
Sample
The NCS-A is a nationally representative sample of US adolescents aged 13 to 18 years. Adolescents were interviewed between February 2001 and January 2004 in dual-frame household and school samples as described elsewhere.21, 22 The household sample included 904 adolescents from households in the National Comorbidity Survey Replication (NCS-R).23 The household sample included school drop-outs and adolescents residing in areas where schools refused to participate. The school sample included 9,244
12-Month Prevalence of Disorders and Identification of Dimensions
As previously reported,31 the NCS-A was broadly representative of the US population of adolescents aged 13 to 17 years. Female adolescents composed 51.1% of the sample. Individuals of non-Hispanic white ethnicity comprised the largest racial/ethnic group (55.7%), followed by non-Hispanic blacks (19.3%), Hispanics (18.9%), and others (6.1%). There was a broad range of 12-month prevalence among the disorders examined. The most prevalent disorder was specific phobia (15.8%), followed by ODD
Discussion
This is the first study to use a formal measure of similarity of proximity between disorders in a nationally representative sample of adolescents, and to examine the distribution of liability to psychiatric disorders in that sample. We found that interrelationships among 12-month psychiatric disorders were well described by 3 or 4 correlated dimensions representing different facets of underlying internalizing and externalizing dimensions. When the factors were used to span a space and their
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Cited by (0)
The National Comorbidity Survey Adolescent Supplement (NCS-A) and the larger program of related NCS surveys are supported by grant U01-MH60220 from NIMH. Work on this manuscript was supported by National Institutes of Health (NIH) grants DA019606, DA023200, MH0760551, and MH082773 (C.B.), and the New York State Psychiatric Institute (C.B., M.O.). The sponsors had no additional role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.
Dr. Wall, Ms. He, and Ms. Jin served as the statistical experts for this research.
Disclosure: Drs. Blanco, Wall, Krueger, Olfson, Burstein, Merikangas, and Ms. He and Ms. Jin report no biomedical financial interests or potential conflicts of interest.