Understanding the Educational Attainment Polygenic Index and its Interactions with SES in Determining Health in Young Adulthood

Peter Savelyev () and Atticus Bolyard ()
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Peter Savelyev: Department of Economics, VCU School of Business
Atticus Bolyard: Center for Education Policy Research, Harvard University

No 2501, Working Papers from VCU School of Business, Department of Economics

Abstract: Based on the sample of The National Longitudinal Study of Adolescent to Adult Health (Add Health), we investigate the formation of health capital and the role played by genetic endowments, parental SES, and education. To measure genetic endowments, we take advantage of the new availability of quality polygenic indexes (PGIs), which are weighted summaries of individual molecular genetic data. Our main focus is on the Educational Attainment Polygenic Index (EA PGI), which is designed to predict the highest level of education achieved in life. We find that the EA PGI demonstrates stronger effects on health and health behaviors for subjects with high parental socioeconomic status (SES). These effects are only partially explained by education as a mechanism. We provide suggestive evidence for the mechanisms behind estimated relationships, including early health, skills, and the parents’ and child’s own attitudes towards education, as well as outcomes related to occupation and wealth. We also show that a strong association between education and health survives controlling not only for detailed traditional controls and cognitive-noncognitive skills, but also for a large set of PGIs that proxy health, skills, and environment, all of which are major expected confounders. This result is suggestive of a causal effect of education on health.

Keywords: health; health behaviors; polygenic index; polygenic score; environmental bottleneck; Scarr-Rowe hypothesis; educational attainment; parental socioeconomic status; child development; education; mediators; pleiotropy; Add Health data (search for similar items in EconPapers)
JEL-codes: I12 I14 I24 J24 (search for similar items in EconPapers)
Pages: 80 pages
Date: 2025-01
New Economics Papers: this item is included in nep-lma
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