What types of confidential variables can I access through the RDC?
- Direct identifiers (name, social security number, address) cannot be accessed through the RDC.
- Indirect Identifiers (geography) may be available through the RDC.
Restricted NCHS Data.
Researchers that only require data from the public use files do not need to submit an RDC proposal. Public Use Data
Other Restricted-Use Data
In addition to NCHS data, the RDC hosts data for several Operating Divisions within the Department of Health and Human Services (DHHS). Other Restricted