Linkage Methods and Analytical Support for NCHS Linked Mortality Data
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2011 NDI Records Matching Process Flow Chart for NCHS Surveys [PDF - 339 KB]
Illustrates the NCHS survey submission records and NDI match selection process for the 2011 NCHS Linked Mortality Files.
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Describes the matching methodology used to produce the 2011 NCHS Linked Mortality Files. Mortality status for NCHS survey participant is ascertained primarily through probabilistic record matching with the NDI.
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Addresses analytic issues such as: linkage eligibility status; use of survey weights; eligibility adjusted weights; pooled analysis of NCHS linked mortality files; inconsistencies in baseline age and follow-up age; source of mortality data; match result variables; oversampling; and other statistical issues relevant to survey data.
Additional Resources:
- Page last reviewed: March 28, 2016
- Page last updated: March 28, 2016
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