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Curated
Partially restricted
National Comorbidity Survey: Baseline (NCS-1), 1990-1992 (Restricted Version) (ICPSR 25381)
Released/updated on: 2023-11-06
Geographic coverage: United States
Time period: 1990-01-01--1992-01-01
The National Comorbidity Survey: Baseline (NCS-1) is a collaborative epidemiologic investigation designed to study the prevalence and patterns of disorders in the third and revised edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM III-R) as well as correlates of service utilization for these disorders. The NCS-1 was the first survey to administer a structured psychiatric interview to a nationally representative sample and was carried out in the early 1990s with a household sample of over 8,000 respondents. Diagnoses were based on a modified version of the Composite International Diagnostic Interview (the UM-CIDI), which was developed at the University of Michigan for the NCS-1. This restricted-use data collection contains the following geographic variables that can be linked to the public-use version of the data using the CASEID variable: Census State FIPS codes, Census County FIPS codes, Census 5-Digit County-State FIPS codes, and Census 11-Digit State-County-Tract FIPS codes. However, in order to help preserve the confidentiality of the data the frequency tables in the codebook have been suppressed.