Assessing the Impact of Risk Factors on Health Expectancy
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In developed countries mortality at younger ages has been decreasing for decades and the age-at-death distribution has shifted to the right (older ages) leading to compression of mortality. However, longer life does not necessarily lead to compression of morbidity. The share of expected life years in different health states depends on factors such as living environment, housing, education and skills, income, working conditions and environment, and lifestyle, as well as on prevention and treatment of diseases, and rehabilitation. For some health determinants and risk factor exposures the associations with diseases and mortality are known and, given data availability, the impact of such factors on health expectancy can be quantified. This chapter discusses the data requirements and methods to quantify the impact of risk factors on health expectancy and reviews the studies and their findings that have done so.
KeywordsRisk factor exposure Life expectancy by exposure Health expectancy by exposure
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