ArticlePsychological science2025
Polygenic Associations With Educational Attainment in East Versus West Germany: Differences Emerge After Reunification.
Article in Psychological science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Changes in heritability and shared environmentality of educational attainment across twentieth-century Norway.Nature communications · 2026Article
- Moderating effects of educational inequality on education polygenic scores, attained education and dementia-risk relationships.SSM - population health · 2026Article
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Abstract
Using a DNA-based polygenic index, we explored geographical and historical differences in polygenic associations with educational attainment in East and West Germany around the time of reunification. This index was derived from a prior genome-wide association study on educational attainment in democratic countries. In 1,930 individuals aged 25 to 85 years from the SOEP-G[ene] cohort, the magnitude of polygenic associations with educational attainment did not differ between East and West Germany before reunification but increased in East Germany thereafter. This gene-environment interaction remained robust when we probed for variance dispersion. A control analysis using a polygenic index of height suggests that this interaction is unlikely to reflect a general trend toward greater genetic associations in East Germany after reunification. The observed amplification of education-genetic associations aligns with theories suggesting heightened genetic influences on educational attainment during periods of greater social and educational opportunity. We emphasize the need for replication in larger German genetic data sets.
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