Birth weight and adult income: An examination of mediation through adult height and body mass

Jaakko Pehkonen, Jutta Viinikainen, Jaana T. Kari, Petri Böckerman, Terho Lehtimäki, Olli Raitakari

Research output: Contribution to journalArticleScientificpeer-review

Abstract

This paper examines the causal links between early human endowments and socioeconomic outcomes in adulthood. We use a genotyped longitudinal survey (Cardiovascular Risk in Young Finns Study) that is linked to the administrative registers of Statistics Finland. We focus on the effect of birth weight on income via two anthropometric mediators: body mass index (BMI) and height in adulthood. We find that (i) the genetic instruments for birth weight, adult height, and adult BMI are statistically powerful; (ii) there is a robust total effect of birth weight on income for men but not for women; (iii) the total effect of birth weight on income for men is partly mediated via height but not via BMI; and (iv) the share of the total effect mediated via height is substantial, of approximately 56%.

Original languageEnglish
JournalHealth Economics (United Kingdom)
Volume30
Issue number10
DOIs
Publication statusPublished - 2021
Publication typeA1 Journal article-refereed

Keywords

  • birth weight
  • body mass index
  • height
  • income
  • mediation
  • multivariable Mendelian randomization
  • polygenic instrument

Publication forum classification

  • Publication forum level 2

ASJC Scopus subject areas

  • Health Policy

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