Task 1: Key concepts of linkage non-response with NHANES–CMS linked data

In the case of NHANES-CMS linked files, nonresponse occurs in the process of linking administrative data from CMS to NHANES, due to linkage ineligibility.  Linkage eligibility, the criteria by which survey participants can be potentially linked to CMS data, is defined in course 1 Module 3. Linkage-eligibility is distinct from program eligibility, a respondents’ enrollment in CMS Medicare and/or Medicaid programs; criteria for program-eligibility can be found on the CMS website.



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