1990年至2010年期间，年轻人中的死亡率不平等现象有所下降，而老年人中的死亡率不平等现象则有所增加。
Inequality in mortality decreased among the young while increasing for older adults, 1990-2010.
作者信息
Currie J, Schwandt H
机构信息
Center for Health and Wellbeing, Princeton University, Princeton, NJ 08542, USA. National Bureau of Economic Research, Cambridge, MA 02138, USA. Institute for the Study of Labor (IZA), 53072 Bonn, Germany.
Institute for the Study of Labor (IZA), 53072 Bonn, Germany. Department of Economics, University of Zurich, 8031 Zurich, Switzerland. Center for Economic Performance, London School of Economics, London WC2A 2AE, UK.
出版信息
Science. 2016 May 6;352(6286):708-12. doi: 10.1126/science.aaf1437. Epub 2016 Apr 21.
Many recent studies point to increasing inequality in mortality in the United States over the past 20 years. These studies often use mortality rates in middle and old age. We used poverty level rankings of groups of U.S. counties as a basis for analyzing inequality in mortality for all age groups in 1990, 2000, and 2010. Consistent with previous studies, we found increasing inequality in mortality at older ages. For children and young adults below age 20, however, we found strong mortality improvements that were most pronounced in poorer counties, implying a strong decrease in mortality inequality. These younger cohorts will form the future adult U.S. population, so this research suggests that inequality in old-age mortality is likely to decline.
近期的许多研究表明，在过去20年里，美国死亡率方面的不平等现象日益加剧。这些研究通常采用中老年群体的死亡率。我们以美国各县群体的贫困水平排名为基础，分析了1990年、2000年和2010年所有年龄组的死亡率不平等情况。与之前的研究一致，我们发现老年群体的死亡率不平等现象在加剧。然而，对于20岁以下的儿童和年轻人，我们发现死亡率有显著改善，且在较贫困的县最为明显，这意味着死亡率不平等现象大幅下降。这些较年轻的群体将构成未来美国的成年人口，因此这项研究表明老年死亡率不平等现象可能会下降。
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