title: Utility of death certificate data in predicting cancer incidence.
abstract: BACKGROUND
  Studies often rely on death certificates to identify cancer occurrence. This research assessed the death certificate's ability to reflect cancer incidence and factors that influence agreement with cancer registry data.
  
  
  METHODS
  This study compared death certificates to cancer incidence data for an occupational cohort of 1,795 deceased workers who were registered by the Iowa Cancer Registry (ICR) between 1973 and 2005. Logistic regression models examined the effects of factors such as survival time, age at diagnosis, and gender on the odds of agreement between death certificate and incidence data.
  
  
  RESULTS
  Death certificates under-reported cancer incidence by 10-100%, depending on site. A 1-year increase in survival decreased the odds of agreement between death certificate and ICR data by 18%. Younger and female workers had increased odds of agreement.
  
  
  CONCLUSIONS
  Death certificates can be useful predictors of cancer incidence, particularly for diseases with shorter survival and among subjects diagnosed earlier in life.
authors.affiliation: Department of Occupational and Environmental Health, College of Public Health, The University of Iowa, Iowa City, Iowa.
authors.forename: Ronald L
authors.initials: RL
authors.lastname: Bedford
authors.forename: Spencer G
authors.initials: SG
authors.lastname: Lourens
authors.forename: Charles F
authors.initials: CF
authors.lastname: Lynch
authors.forename: Brian J
authors.initials: BJ
authors.lastname: Smith
authors.forename: R William
authors.initials: RW
authors.lastname: Field
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D002423:Cause of Death; D003644:Death Certificates; D005260:Female; D006801:Humans; D015994:Incidence; D007484:Iowa / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000453:epidemiology* / Q000401:mortality; D009784:Occupational Diseases / Q000453:epidemiology* / Q000401:mortality; D012042:Registries / Q000706:statistics & numerical data*; D012737:Sex Factors; D015996:Survival Rate; D013997:Time Factors; D054041:Weapons; D055815:Young Adult
keywords: all conditions coded; cancer; cancer incidence; death certificate; underlying cause of death
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