Many people know that individuals with higher levels of education tend to live longer and healthier lives than individuals with low levels of education. In a recent study, Robert Hummer and colleagues built on this knowledge by demonstrating new important characteristics of the relationship between education and adult mortality in the United States.
Among their findings: Each year of education does not have the same "meaning" in terms of reduced mortality risk of U.S. adults; and the data on mortality of more highly educated individuals shows less dispersion than the data on mortality of less educated individuals. The researchers also refined key pathways by which educational attainment influences adult mortality risk, including much higher levels of cigarette smoking among the less educated; and better jobs, higher income, and greater access to health insurance and social ties and resources among the more highly educated. Hummer and his colleagues also determined that over the past two decades, there has been increasing inequality in mortality risk by education in the United States.
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