Diabetes-related mortality data are derived from the multiple-cause-of-death files. Data include all mentions of diabetes on the death certificate, whether as an underlying or a multiple cause of death. Diabetes is approximately three times as likely to be listed as multiple cause of death than as underlying cause.
FOR SINGLE DATA YEARS: Rates are calculated based on the April 1 census counts for the censal years (e.g., 2000) and July 1 estimates from the Vintage matching the data year for the postcensal period. For example, for rates of data year 2004, the 2004 population estimates from Vintage 2004 are used as denominator.
FOR MULTIPLE DATA YEARS: Rates are calculated based on sum of data year populations from the Vintage matching the data years. For example, for rates of data years 2004-2006 combined, the sum of 2004 population from Vintage 2004, 2005 population from Vintage 2005, and 2006 population from Vintage 2006 are used as denominator.