Author Contributions: Dr Kessler had full access
to all of the data in the study and takes responsibility for the integrity
of the data and the accuracy of the data analysis.
Study concept and design: Kessler, Borges,
Acquisition of data: Kessler.
Analysis and interpretation of data: Kessler,
Berglund, Borges, Nock, Wang.
Drafting of the manuscript: Kessler, Berglund,
Critical revision of the manuscript for important
intellectual content: Kessler, Borges, Nock.
Statistical analysis: Kessler, Berglund, Borges.
Obtained funding: Kessler.
Administrative, technical, or material support:
Study supervision: Kessler, Wang.
Financial Disclosures: Dr Wang has provided
expert testimony in a lawsuit about antidepressants and suicide. No other
authors reported financial disclosures.
Funding/Support: The National Comorbidity Survey
Replication (NCS-R) is supported by the National Institute of Mental Health
(NIMH) (U01-MH60220), with supplemental support from the National Institute
on Drug Abuse (NIDA), the Substance Abuse and Mental Health Services Administration,
the Robert Wood Johnson Foundation (grant 044708), and the John W. Alden Trust.
The NCS-R is carried out in conjunction with the World Health Organization
World Mental Health (WMH) Survey Initiative. We thank the staff of the WMH
Data Collection and Data Analysis Coordination Centres for assistance with
instrumentation, field work, and consultation on data analysis. These activities
were supported by the NIMH (R01 MH070884), the John D. and Catherine T. MacArthur
Foundation, the Pfizer Foundation, the US Public Health Service (R13-MH066849,
R01-MH069864, and R01 DA016558), the Fogarty International Center (FIRCA R01-TW006481),
the Pan American Health Organization, Eli Lilly, Ortho-McNeil Pharmaceutical,
GlaxoSmithKline, and Bristol-Myers Squibb.
Role of the Sponsors: None of the sponsoring
organizations had any role in the collection, management, analysis, and interpretation
of data; or in the preparation, review, and approval of the manuscript.
Collaborating NCS-R Investigators include Ronald
C. Kessler, PhD (principal investigator, Harvard Medical School, Boston, Mass),
Kathleen Merikangas, PhD (coprincipal investigator, NIMH, Bethesda, Md), James
Anthony, PhD (Michigan State University, East Lansing), William Eaton, PhD
(Johns Hopkins University, Baltimore, Md), Meyer Glantz, PhD (NIDA, Bethesda,
Md), Doreen Koretz, PhD (Harvard University, Cambridge, Mass), Jane McLeod,
PhD (Indiana University, Bloomington), Mark Olfson, MD, MPH (New York State
Psychiatric Institute, College of Physicians and Surgeons of Columbia University,
New York City), Harold Pincus, MD (University of Pittsburgh, Pittsburgh, Pa),
Greg Simon, MD, MPH, (Group Health Cooperative, Seattle, Wash), Michael Von
Korff, ScD (Group Health Cooperative, Seattle), Philip Wang, MD, DrPH (Harvard
Medical School, Boston), Kenneth Wells, MD, MPH (University of California,
Los Angeles), Elaine Wethington, PhD (Cornell University, Ithaca, NY), and
Hans-Ulrich Wittchen, PhD (Max Planck Institute of Psychiatry; Technical University
of Dresden, Dresden, Germany).
Disclaimer: The views and opinions expressed
in this article are those of the authors and should not be construed to represent
the views of any of the sponsoring organizations, agencies, or US government.
Additional Information: The full text of all
NCS-R instruments can be found at http://www.hcp.med.harvard.edu/ncs. A complete list of WMH publications can be found at http://www.hcp.med.harvard.edu/wmh.
Acknowledgment: We appreciate the helpful comments
on earlier drafts by Kathleen Merikangas, PhD, and Bedirhan Ustun, MD.