Strategies for using the National Death Index and the Social Security Administration for death ascertainment in large occupational cohort mortality studies

American Journal of Epidemiology
Nancy C WojcikGail Jorgensen

Abstract

This paper describes a multistage process to improve the completeness and time-/cost-effectiveness of ascertaining deaths in large employee cohorts. The process uses the vital status data service of the Social Security Administration (SSA) to identify people who can be confirmed as living, in order to reduce the number of records submitted for a National Death Index (NDI) search. The accuracy of SSA results is verified by submitting a sample of known-living and known-deceased people. For the NDI search results, an algorithm based on a discrete combination of matching variables is applied to distinguish NDI records as true, false, or questionable matches to reduce the number of death certificate requests to state offices. Subsequent decision making is based on manual reviews at various stages. In a cohort of over 200,000 employees, an SSA vital status search reduced the size of the NDI death record search by 85%. The algorithm sorted thousands of NDI records into 15 distinct strata and reduced the number of death certificate requests by 76%. The authors believe that the matching process is enhanced by obtaining paper copies of death certificates from the states, because death certificates often provide additional information and...Continue Reading

References

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Citations

May 10, 2012·American Journal of Transplantation : Official Journal of the American Society of Transplantation and the American Society of Transplant Surgeons·S MohammadE M Alonso
Sep 18, 2014·American Journal of Hypertension·Maday C GonzalezMichael H Alderman
Jul 20, 2014·Journal of Vascular Surgery·Bjoern D SuckowUNKNOWN Vascular Study Group of New England
May 9, 2012·Preventive Medicine·Earl S FordSimon Capewell
Apr 11, 2017·Journal of Health Care Chaplaincy·Melissa L HowellJoshua N Goldstein
May 31, 2018·Journal of Acquired Immune Deficiency Syndromes : JAIDS·Julie AlperenUNKNOWN Pediatric HIV/AIDS Cohort Study
Apr 6, 2013·Stroke; a Journal of Cerebral Circulation·William J DevanUNKNOWN International Stroke Genetics Consortium
Nov 10, 2018·International Journal of Radiation Biology·Michael T MummaJohn D Boice
Feb 1, 2019·Pharmacoepidemiology and Drug Safety·Kevin Haynes
Dec 7, 2019·Epidemiology·Anna Z PollackEnrique F Schisterman
Dec 20, 2013·Journal of Occupational and Environmental Medicine·Nancy C WojcikWendy W Huebner
Jun 22, 2018·JAMA Psychiatry·Mark OlfsonCarlos Blanco
Mar 26, 2016·Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored by the American Society of Preventive Oncology·Majda HaznadarCurtis C Harris
Nov 2, 2019·Journal of the American College of Surgeons·Bernardo M PessoaGuilherme M Campos
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May 27, 2021·Alzheimer's & Dementia : the Journal of the Alzheimer's Association·Timothy SchmutteSteven C Marcus

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