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KMID : 0613620110310020060
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Health Social Welfare Review
2011 Volume.31 No. 2 p.60 ~ p.94
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Income and Life Expectancy
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Woo Hae-Bong
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Abstract
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Using multi-state life table models, this study analyzes the association between income and life expectancy in Korea. Compared to previous research efforts, which mainly focused on total life expectancy, this study simultaneously examines total, active, and inactive life expectancies to capture the quality of life as well as the length of life. This study also employs several measures of income, such as current individual/household income and individual lifetime income, to take a closer look at the similarities and differences in total, active, and inactive life expectancies by income level. This study finds that on average individuals in the top half of the income distribution tend to have a longer total life expectancy than those in the bottom half. Further, individuals in the top half are also expected to live a larger share of their lives in an active state. However, this study also finds some inconsistencies in life expectancy estimates (in particular, total life expectancy) across income measures, indicating that some caution should be paid in measuring social class in terms of income.
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KEYWORD
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Income, Life Expectancy, Active Life Expectancy, Multi-State Life Table Model
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