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NCHS Data Linkage Activities

NCHS has developed a record linkage program designed to maximize the scientific value of the Center’s population-based surveys. Linked data files enable researchers to examine the factors that influence disability, chronic disease, health care utilization, morbidity, and mortality.

NCHS is currently linking various NCHS surveys with administrative data from the following:


Summary of Available Linkages

The following table presents the NCHS surveys and the administrative data source(s) each is linked to:



Data Linkage Team
Office of Analysis and Epidemiology
National Center for Health Statistics
Centers for Disease Control and Prevention
3311 Toledo Road
Hyattsville, MD 20782