Univariable Models Multivariable Model
PC % Variation Explained in 2,095 CpG Sites β p-value R2LR x100 β p-value R2LR x100
1 50.65 -0.12 6.63E-06 12.72 -0.13 5.60E-08  
2 9.53 0.15 0.014 10.34 0.16 3.34E-03  
3 4.52 -0.69 8.84E-14 18.95 -0.72 1.03E-15  
4 2.47 -0.41 4.79E-04 11.39 -0.43 7.45E-05  
5 2.15 0.16 0.21 9.58 0.22 0.22 26.76
6-10 4.68          
Total 74.00         36.54
Model: Ageij0 + β1PCij + Wj+ εij (univariable model)
Table 3: Association between top 5 principal components (estimated from 2,095 site M-values significant with age, after Bonferroni correction for α=0.05) and age.