Linkage Methods and Analytic Support for NCHS-CMS Medicaid Data

• NCHS-CMS Medicaid Matching Methodology and Analytic Considerations Cdc-pdf[PDF – 548 KB]
  Contains an overview of the data sources, the methods used for linkage, descriptions of the resulting linked data files and analytic considerations.

• Match Rate Table for NCHS-CMS Medicaid Files Cdc-pdf[PDF – 94 KB]
  Table providing NCHS-CMS Medicaid linked file sample sizes and percentage linked, by survey and age at interview.

• Sample Sizes for Restricted-Use NCHS-CMS Medicaid Files Cdc-pdf[PDF – 180 KB]
  Tables providing sample sizes for each NCHS-CMS Medicaid linked file by NCHS survey, type of Medicaid file and Medicaid claims year.

• Medicaid Managed Care Program Enrollment Table for NCHS-CMS Medicaid Files Cdc-pdf[PDF – 57 KB]
  Table providing unweighted percentage of NCHS-CMS Medicaid linked sample enrolled in a Medicaid Comprehensive Managed Care Program (for at least 1 month / during the full year).

Previous NCHS-CMS Medicaid Linkages:

• Golden C, Driscoll AK, Simon AE, et al. Linkage of NCHS population health surveys to administrative records from Social Security Administration and Centers for Medicare & Medicaid Services. National Center for Health Statistics. Vital Health Stat 1(58). 2015 Cdc-pdf[PDF – 1.4 MB]. Contains an overview of the data sources, the methods used for linkage, descriptions of the resulting linked data files, analytic guidance, and match rate tables.

Additional Resources:

• NHANES–CMS Linked Data Tutorial

• Centers for Medicare & Medicaid Services (CMS) websiteExternal

• Medicaid.govExternal

• Research Data Assistance Center (ResDAC) at the University of MinnesotaExternal