Table 2 Principal component analysis (PCA) on infants’ SLC6A4 methylation conducted among the 13 CpG sites.

From: Hidden pandemic: COVID-19-related stress, SLC6A4 methylation, and infants’ temperament at 3 months

SLC6A4 site

Principal components

PC1

PC2

PC3

CpG 1

0.704

  

CpG 2

0.735

  

CpG 3

0.512

0.653

 

CpG 4

   

CpG 5

 

0.614

 

CpG 6

0.691

  

CpG 7

 

0.577

 

CpG 8

0.635

  

CpG 9

0.776

  

CpG 10

0.618

  

CpG 11

  

0.502

CpG 12

0.849

  

CpG 13

  

0.793

  1. Loadings on the respective principal components (PC) are reported in bold. Loadings < 0.500 are not reported.