Table 3 Three genetic loci associated with spherical equivalent with a significant SNP × education interaction in Asians and results in European populations.

From: Meta-analysis of gene–environment-wide association scans accounting for education level identifies additional loci for refractive error

SNP (Chr:BP)

Gene

Allele

FREQ

Subgroup

 

Asians (n=10,315)

  

Europeans (n=40,036)

 
     

β

P-value

P het

β

P-value

P het

rs12511037* (4:75334864)

AREG

C/T

0.91/0.95

Lower education

0.07

0.243

 

−0.05

0.323

 
    

Higher education

−0.70

1.97 × 10−10

 

−0.03

0.579

 
    

SNP × education

−0.89

6.87 × 10−11

0.704

0.02

0.176

0.284

    

JMA

 

5.55 × 10−10

0.405

 

0.527

0.186

rs13215566 (6:89918638)

GABRR1

C/G

0.94/0.84

Lower education

−0.13

0.030

 

−0.03

0.258

 
    

Higher education

−0.68

1.46 × 10−8

 

−0.01

0.817

 
    

SNP × education

−0.56

8.48 × 10−5

0.134

−0.02

0.459

0.457

    

JMA

 

3.81 × 10−8

0.122

 

0.502

0.630

rs12206610 6:166016800

PDE10A

C/T

0.90/0.87

Lower education

0.16

0.008

 

0.01

0.759

 
    

Higher education

−0.59

8.16 × 10−8

 

0.01

0.810

 
    

SNP × education

−0.72

2.32 × 10−8

0.920

−0.002

0.421

0.111

    

JMA

 

9.21 × 10−9

0.902

 

0.954

0.305

  1. β (higher education/lower education), β-coefficient corresponds to the effect in spherical equivalent (dioptres) for 1 additional copy of the effect allele in the higher/lower education group; β (SNP × education), β-coefficient corresponds to the difference in spherical equivalent (dioptres) for 1 additional copy of the effect allele in the higher versus lower education group; FREQ, allele frequency of the effect allele in Asian/European cohorts; JMA, joint meta-analysis on SNP effect and SNP × education interaction effect on spherical equivalent; LD, linkage disequilibrium; Phet, P-value for the test of heterogeneity; SNP, single-nucleotide polymorphism.
  2. β and P-values for SNP × education interaction were calculated by the meta-analysis of conducting a 1df Wald’s test of single interaction parameter. Allele is listed as effect allele/other allele.
  3. *SNP rs12511037 was not present in European studies after quality control. Here we present the results of a proxy SNP rs1246413 (T/G, frequency of risk allele T=0.95) in LD with rs12511037 (r2=0.97).