JSM 2005 - Toronto

Abstract #304829

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Legend: = Applied Session, = Theme Session, = Presenter
Activity Number: 494
Type: Contributed
Date/Time: Thursday, August 11, 2005 : 8:30 AM to 10:20 AM
Sponsor: Section on Statistics in Epidemiology
Abstract - #304829
Title: Methods Assessing Contribution of Diseases to Disparity in Life Expectancy
Author(s): Charles Lin*+ and Norman Johnson
Companies: U.S. Census Bureau and U.S. Census Bureau
Address: 4700 Silver Hill Road, Washington, DC, 20233,
Keywords: Life Expectancy ; Potential life-years lost ; Disparity ; Contribution of Diseases ; Decomposition
Abstract:

Recent efforts to find diseases contributing most to the disparity in life expectancy have been presented by Wong et al. (2002) and Lin and Johnson (2004). Wong et al. simulated the potential life-years lost at birth from diseases and showed their approach produced a similar result to the method of computing gains in life expectancy by deleting diseases one at a time. Lin and Johnson proposed a decomposition of life expectancy and potential life-year lost from diseases at each age to assess contribution of diseases to disparities in life expectancy. The purpose of this study is to compare these two methods and other methods in the literature. We use data from the National Longitudinal Mortality Study and group diseases into 14 major diseases categories for demonstration purposes. Substantial differences based on potential life-years lost from diseases were found among methods. Underestimation of potential life-years lost from diseases for some methods are discussed in detail.


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Revised March 2005