Table 1 Sample description.

From: Discordant associations of educational attainment with ASD and ADHD implicate a polygenic form of pleiotropy

Source

Phenotype

Consortium

GWAS

Imputation reference panel

N

Clinical sample

ASD

iPSYCH

ASD(iPSYCH,woADHD)17

1000 Genomes phase 3

32,985 (10,321 cases)

Clinical sample

ASD

PGC

ASD(PGC)35

1000 Genomes phase 1 (v3)

10,610 (5,305 cases)

Clinical sample

ADHD

iPSYCH

ADHD(iPSYCH)21

1000 Genomes phase 3

37,076 (14,584 cases)

Population sample

Years of schooling

SSGAC

EA(SSGAC)44

1000 Genomes phase 3a

766,345

  1. All individuals were of European descent.
  2. ADHD Attention-Deficit/Hyperactivity Disorder, ASD Autism Spectrum Disorder, EA educational attainment, iPSYCH The Lundbeck Foundation Initiative for Integrative Psychiatric Research, PGC Psychiatric Genomics Consortium, SSGAC Social Science Genetic Consortium, woADHD without ADHD.
  3. aPredominantly 1000 genomes phase 3, see Lee et al.44.
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