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Genetic link between family socioeconomic status and children's educational achievement estimated from genome-wide SNPs

Research output: Contribution to journalArticle

Original languageEnglish
Number of pages7
JournalMolecular Psychiatry
Early online date10 Mar 2015
DOIs
StatePublished - 2015

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Abstract

One of the best predictors of children’s educational achievement is their family’s socioeconomic status (SES), but the degree to which this association is genetically mediated remains unclear. For 3000 UK-representative unrelated children we found that genome-wide single-nucleotide polymorphisms could explain a third of the variance of scores on an age-16 UK national examination of educational achievement and half of the correlation between their scores and family SES. Moreover, genome-wide polygenic scores based on a previously published genome-wide association meta-analysis of total number of years in education accounted for ~3.0% variance in educational achievement and ~2.5% in family SES. This study provides the first molecular evidence for substantial genetic influence on differences in children’s educational achievement and its association with family SES.

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