Component

Model 1

Model 2

Model 3

Age

0.337

0.560

0.356

Mother’s age

0.279

0.336

0.777

BMI

0.316

0.543

0.439

Hair Pb level

0.009

0.610

0.047

EQ

0.940

0.099

0.017

FSIQ

0.681

0.520

0.369