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National Longitudinal Mortality Study (NLMS)

Clinical Trials URL:
Study Type: Epidemiology Study
Prepared on October 13, 2008
Last Updated on June 23, 2005
Study Dates: 1973-2002
Consent: Unrestricted Consent
Commercial Use Restrictions: No
Collection Type: Open BioLINCC Study - See bottom of this webpage for request information


To investigate social, economic, demographic and occupational differentials in mortality (total and by cause) within a national sample of the U.S. population.


Large national studies of mortality, especially cardiovascular mortality, by occupation, industry, income, education or other socioeconomic factors are rare. From the studies that do exist, however, it is clear that strong relationships exist between socioeconomic factors and mortality. These relationships may be influenced by and may account for differences in mortality by race, ethnic origin, or geographic factors. To study these relationships in detail, large studies, inclusive of the ethnic, social and economic diversity of the U.S., are needed.


A series of cross-sectional, national samples of the U.S. population, as identified from the Current Population Survey (CPS) of the Bureau of the Census (n=988,346). The full study is larger, over 3 million persons, but for confidentiality reasons, a subset of 11 Current Population Surveys is provided for the data set.


Records from the Current Population Surveys (CPS) Spanning March 1979 to March 1987 were matched to the National Death Index to identify the occurrence and cause of death between 1979 and 1998. Extensive demographic, social, economic, and occupation information is collected in the CPS. The linkage of the individual social and economic data with the mortality outcomes provides the resource for extensive analysis.

If you would like to request a study dataset, please contact the US Census Bureau directly.