Table 4 Adjusted associations between children’s exposure to environmental factors and BHgC by children’s genotypes for GST genes based on General Linear Models that include the interactions between GST genes and the main environmental exposures (n = 375)

Interactive multivariable co-dominant model

Child’s age (months)

Age ≥ 72 vs. Age < 72

1.21 (1.03, 1.42)

0.02

Consumption

Saltwater fish

Yes vs. No

1.35 (1.15, 1.59)

 < 0.01

Pasta, macaroni, noodles

Yes vs. No

0.72 (0.58, 0.89)

 < 0.01

String beans

Yes vs. No

1.17 (1.01, 1.36)

0.04

Canned fish (sardine, mackerel) ^a

Yes vs. No

GSTP1^b

Ile/Ile

1.59 (1.09, 2.32)

0.02

Ile/Val

1.46 (1.12, 1.91)

0.01

Val/Val

0.72 (0.47, 1.11)

0.14

Interactive multivariable recessive

model

Child’s age (months)

Age ≥ 72 vs. Age < 72

1.21 (1.03, 1.43)

0.02

Consumption

Saltwater fish

Yes vs. No

1.35 (1.15, 1.58)

 < 0.01

Pasta, macaroni, noodles

Yes vs. No

0.72 (0.58, 0.89)

 < 0.01

String beans

Yes vs. No

1.18 (1.01,1.37)

0.03

Canned fish (sardine, mackerel) ^c

Yes vs. No

GSTP1^b

Val/Val

0.72 (0.46, 1.12)

0.14

Ile*

1.50 (1.20, 1.87)

 < 0.01