The Long-Lasting Influenza: The Impact of Fetal Stress During the 1918 Influenza Pandemic on Socioeconomic Attainment and Health in Sweden, 1968–2012

Jonas Helgertz () and Tommy Bengtsson
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Jonas Helgertz: Lund University
Tommy Bengtsson: Lund University

Demography, 2019, vol. 56, issue 4, No 10, 1389-1425

Abstract: Abstract The 1918 influenza pandemic had not only a massive instant death toll but also lasting effects on its survivors. Several studies have shown that children born in 1919, and thus exposed to the H1N1 virus in utero, experienced worse health and socioeconomic outcomes in older ages than surrounding birth cohorts. This study combines several sources of contemporary statistics with full-population individual-level data for Sweden during 1968–2012 to examine the influence of fetal exposure to the Spanish flu on health, adulthood income, and occupational attainment. For both men and women, fetal exposure resulted in higher morbidity in ages 54–87, as measured by hospitalization. For males, exposure during the second trimester also affected mortality in cancer and heart disease. Overall, the effects on all-cause mortality were modest, with about three months shorter remaining life expectancy for the cohorts exposed during the second trimester. For socioeconomic outcomes, results fail to provide consistent evidence supporting any long-term consequences of fetal exposure. We conclude that although the immediate health effects of exposure to the 1918 pandemic were huge, the long-term effects were modest in size.

Keywords: Fetal origins; Spanish influenza pandemic; Sweden; Health and socioeconomic outcomes; Longitudinal data (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (25)

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DOI: 10.1007/s13524-019-00799-x

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