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National Comorbidity Survey Replication (NCS-R), 2001-2003 (ICPSR 189)

Principal Investigator(s): Kessler, Ronald C., Harvard Medical School. Department of Health Care Policy


The National Comorbidity Survey Replication(NCS-R) is a probability sample of the United States carried out a decade after the original 1992 NCS (NCS-1) was conducted. The NCS-R repeats many of the questions from the NCS-1 and also expands the questioning to include assessments based on the diagnostic criteria of the American Psychiatric Association as reported in the Diagnostic and Statistical Manual - IV (DSM-IV), 1994. The two major aims of the NCS-R were first, to investigate time trends and their correlates over the decade of the 1990s, and second, to expand the assessment in the baseline NCS-1 in order to address a number of important substantive and methodological issues that were raised by the NCS-1. The NCS-R is part of the Collaborative Psychiatric Epidemiology Surveys (CPES) data collection (see ICPSR20240). Data and documentation for NCS-R can be accessed through the CPES Web site.

Access Notes

  • These data are not available from RCMD. Users should consult the data owners directly (via CPES Web site) for details on obtaining these resources.

Study Description

Scope of Study

Subject Terms:    health services utilization, mental disorders, mental health, mental health services, psychiatric services

Geographic Coverage:    United States

Data Collection Notes:

2012-11-06 This data resource description has been deaccessioned and is no longer available.