Parental age and offspring mortality : Negative effects of reproductive ageing may be counterbalanced by secular increases in longevity

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Barclay , K & Myrskyla , M 2018 , ' Parental age and offspring mortality : Negative effects of reproductive ageing may be counterbalanced by secular increases in longevity ' , Population Studies , vol. 72 , no. 2 , pp. 157-173 . https://doi.org/10.1080/00324728.2017.1411969

Title: Parental age and offspring mortality : Negative effects of reproductive ageing may be counterbalanced by secular increases in longevity
Author: Barclay, Kieron; Myrskyla, Mikko
Contributor: University of Helsinki, Research Units of the Faculty of Social Sciences
Date: 2018
Language: eng
Number of pages: 17
Belongs to series: Population Studies
ISSN: 0032-4728
URI: http://hdl.handle.net/10138/236251
Abstract: As parental ages at birth continue to rise, concerns about the effects of fertility postponement on offspring are increasing. Due to reproductive ageing, advanced parental ages have been associated with negative health outcomes for offspring, including decreased longevity. The literature, however, has neglected to examine the potential benefits of being born at a later date. Secular declines in mortality mean that later birth cohorts are living longer. We analyse mortality over ages 30-74 among 1.9 million Swedish men and women born 1938-60, and use a sibling comparison design that accounts for all time-invariant factors shared by the siblings. When incorporating cohort improvements in mortality, we find that those born to older mothers do not suffer any significant mortality disadvantage, and that those born to older fathers have lower mortality. These findings are likely to be explained by secular declines in mortality counterbalancing the negative effects of reproductive ageing.
Subject: parental age
mortality
Sweden
life expectancy
secular trends
POPULATION-BASED COHORT
TELOMERE LENGTH
MATERNAL AGE
ADULT MORTALITY
LIFE EXPECTANCY
OXIDATIVE STRESS
SOCIAL-MOBILITY
PATERNAL AGE
BIRTH-ORDER
SWEDISH MEN
5141 Sociology
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