Deprivation as a fundamental cause of morbidity and reduced life expectancy: an observational study using German statutory health insurance data

Danny Wende (), Alexander Karmann () and Ines Weinhold ()
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Danny Wende: BARMER Institute for Health Systems Research
Alexander Karmann: Technische Universitaet Dresden
Ines Weinhold: WIG2 GmbH

International Journal of Health Economics and Management, 2024, vol. 24, issue 2, No 5, 257-277

Abstract: Abstract Across all developed countries, there is a steep life expectancy gradient with respect to deprivation. This paper provides a theoretical underpinning for this gradient in line with the Grossman model, indicating that deprivation affects morbidity and, consequently, life expectancy in three ways: directly from deprivation to morbidity, and indirectly through lower income and a trade-off between investments in health and social status. Using rich German claims data covering 6.3 million insured people over four years, this paper illustrates that deprivation increases morbidity and reduces life expectancy. It was estimated that highly deprived individuals had approximately two more chronic diseases and a life expectancy reduced by 15 years compared to the least deprived individuals. This mechanism of deprivation is identified as fundamental, as deprived people remain trapped in their social status, and this status results in health investment decisions that affect long-term morbidity. However, in the German setting, the income and investment paths of the effects of deprivation were of minor relevance due to the broad national coverage of its SHI system. The most important aspects of deprivation were direct effects on morbidity, which accumulate over the lifespan. In this respect, personal aspects, such as social status, were found to be three times more important than spatial aspects, such as area deprivation.

Keywords: Fundamental cause theory; Deprivation; Morbidity; Life expectancy; Grossman model; Cross-lagged-panel-design (search for similar items in EconPapers)
JEL-codes: C51 D79 I14 R23 (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10754-024-09374-3

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