European Journal of Epidemiology

, Volume 23, Issue 7, pp 443–447 | Cite as

Paternal age and mortality in children

  • Jin Liang Zhu
  • Mogens Vestergaard
  • Kreesten M. Madsen
  • Jørn Olsen
MORTALITY

Abstract

Background Since paternal age correlates with some diseases that have a high case-fatality, a paternal age effect on offspring’s survival is expected but unsettled. We examined the association between paternal age and mortality in children in a large population-based cohort taking maternal age and socioeconomic factors into account. Methods From the Danish Fertility Database (1980–1996), we identified 102,879 couples and their firstborn singleton children. Information on childhood death (N = 831) was obtained by linking the cohort to the nationwide register on cause of death (1980–1998). Results We observed a U-shaped association between paternal age and the overall mortality rate in children up to 18 years of age. Adjustment for maternal age and other confounders reduced the mortality rate ratio (MRR) for children of younger fathers but not for children of older fathers. Compared with children of fathers aged between 25 and 29 years, the adjusted MRR was 1.77 (95% confidence interval 1.28–2.45) for children of fathers aged between 45 and 49 years and 1.59 (1.03–2.46) for children of fathers aged 50 years or more. The cause-specific MRRs were highest for congenital malformations [2.35 (1.42–3.88)] and injury or poisoning [3.43 (1.49–7.92)] for children of fathers aged 45 years or more. Conclusion Our data revealed a higher mortality in offspring of fathers aged 45 years or more that lasted into adulthood. This adds to the cumulating evidence on adverse effects of advanced paternal age in procreation.

Keywords

Epidemiology Mortality Paternal age 

Abbreviations

CI

Confidence interval

ICD8

The 8th Revision of International Classification of Diseases

ICD10

The 10th Revision of International Classification of Diseases

MRR

Mortality rate ratio

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Jin Liang Zhu
    • 1
  • Mogens Vestergaard
    • 1
    • 2
  • Kreesten M. Madsen
    • 1
  • Jørn Olsen
    • 3
  1. 1.The Danish Epidemiology Science CentreUniversity of AarhusAarhus CDenmark
  2. 2.Department of General Practice, Institute of Public HealthUniversity of AarhusAarhus CDenmark
  3. 3.Department of Epidemiology, School of Public HealthUCLALos AngelesUSA

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