National Post-acute and Long-term Care Study

Restricted Survey Data Files

The restricted adult day services center and residential care community survey data files from the 2012, 2014, 2016, 2018, 2020, and 2022 National Post-acute and Long-term Care Surveys (NPALS), formerly the National Study of Long-term Care Providers (NSLTCP), are available for use by approved researchers in the NCHS Research Data Center (RDC). The RDC provides access to restricted survey data files for approved users and fees apply.

Currently, the ADSC and RCC data dictionaries can be obtained as PDF files directly from the National Center for Health Statistics. Please email us at to request the data dictionaries.

The data dictionaries contain information on the variables for four sections in the ADSC and RCC questionnaires: Background Information; Services Offered; Staff Profile; and Resident/Participant Profile.  Please refer to the questionnaires for more information about the survey questions. For more information about the restricted survey data files or about using the RDC, please visit the RDC website or contact NCHS’ Long-Term Care Statistics Branch (301-458-4747 or