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Area deprivation and widening inequalities in US mortality, 1969-1998
1National Cancer Institute, Division of Cancer Control and Population Sciences, National Institutes of Health, Bethesda, MD 20892-8316, USA. gopal_singh@nih.gov
Objectives:
This study examined age-, sex-, and race-specific gradients in US mortality by area deprivation between 1969 and 1998.
Methods:
A census-based area deprivation index was linked to county mortality data.
Results:
Area deprivation gradients in US mortality increased substantially during 1969 through 1998. The gradients were steepest for men and women aged 25 to 44 years and those younger than 25 years, with higher mortality rates observed in more deprived areas. Although area gradients were less pronounced for women in each age group, they rose sharply for women aged 25 to 44 and 45 to 64 years.
Conclusions:
Areal inequalities in mortality widened because of slower mortality declines in more deprived areas. Future research needs to examine population-level social, behavioral, and medical care factors that may account for the increasing gradient.