Table 3 Regression model of renal biomarkers predicted by the TWICL, 16 types of MT 1A and 2A SNP combination, and other potential confounders.

From: The association of blood lead levels and renal effects may be modified by genetic combinations of Metallothionein 1A 2A polymorphisms

 

Serum creatinine (mg/dL)

Serum uric acid (mg/dL)

Urinary uric acid (mg/g Cr)

Urinary NAG (mg/g Cr)

ß (SE)

p-value

ß (SE)

p-value

ß (SE)

p-value

ß (SE)

p-value

Time-weighted ICL (μg/dL)

−0.0006 (0.0007)

0.38

0.0081 (0.0053)

0.13

−0.054 (0.065)

0.41

0.016 (0.0076)

0.043

Group 1

Group 2

0.020 (0.042)

0.63

0.48 (0.31)

0.13

−0.019 (3.83)

1.00

0.010 (0.45)

0.98

Group 3

−0.0082 (0.045)

0.86

0.40 (0.34)

0.25

0.040 (4.14)

0.99

0.30 (0.49)

0.54

Group 4

0.079 (0.058)

0.17

0.78 (0.44)

0.076

−1.90 (5.31)

0.72

0.43 (0.62)

0.49

Group 5

−0.0032 (0.048)

0.95

0.29 (0.36)

0.42

12.47 (4.39)

0.0047

−0.17 (0.52)

0.75

Group 6

0.012 (0.044)

0.78

0.48 (0.33)

0.15

−13.52 (4.00)

0.0008*

0.030 (0.47)

0.95

Group 7

0.030 (0.043)

0.49

0.33 (0.32)

0.31

−9.20 (3.91)

0.019

0.033 (0.46)

0.94

Group 8

0.044 (0.078)

0.57

−0.12 (0.59)

0.84

8.92 (7.16)

0.21

−0.33 (0.84)

0.70

Group 9

0.0038 (0.052)

0.94

0.14 (0.39)

0.71

−9.70 (4.74)

0.041

0.45 (0.56)

0.42

Group 10

−0.076 (0.084)

0.37

−0.47 (0.63)

0.46

3.94 (7.68)

0.61

−0.098 (0.90)

0.91

Group 11

−0.017 (0.084)

0.84

0.65 (0.63)

0.30

1.92 (7.64)

0.80

−0.19 (0.90)

0.83

Group 12

−0.0023 (0.042)

0.96

0.53 (0.32)

0.10

−10.97 (3.87)

0.0047

0.90 (0.45)

0.047

Group 13

0.066 (0.078)

0.40

1.20 (0.59)

0.041

0.76 (7.12)

0.92

−0.44 (0.84)

0.60

Group 14

0.020 (0.049)

0.69

0.23 (0.37)

0.54

−1.55 (4.46)

0.73

0.31 (0.52)

0.56

Group 15

−0.061 (0.064)

0.34

0.21 (0.48)

0.66

4.32 (5.89)

0.46

0.54 (0.69)

0.43

Group 16

0.030 (0.061)

0.62

1.034 (0.46)

0.025

−8.33 (5.60)

0.14

0.59(0.66)

0.37

Gender(male)

0.32 (0.021)

<0.0001

1.47 (0.16)

<0.0001

−4.77 (1.94)

0.014

−0.74 (0.23)

0.0013

Age (year)

−0.0002 (0.0010)

0.88

−0.012 (0.0077)

0.11

0.033 (0.094)

0.73

0.047 (0.011)

<0.0001

BMI (kg/m2)

0.0011 (0.0024)

0.65

0.099 (0.018)

<0.0001

0.46 (0.22)

0.036

0.035 (0.026)

0.17

Smoke

−0.032 (0.021)

0.13

−0.034 (0.16)

0.83

1.87 (1.96)

0.34

0.50 (0.23)

0.031

Drink

0.0070 (0.024)

0.77

0.014 (0.18)

0.94

1.17 (2.16)

0.59

0.19 (0.25)

0.45

Constant

0.77 (0.072)

<0.0001

3.15 (0.54)

<0.0001

31.99 (6.58)

<0.0001

−0.13 (0.77)

0.8660

  1. *adjusted p−value < 0.003125: adjusted by Bonferroni correction (α/number of SNPs).