Table 2 Total blood mercury concentrations (μg/L) in study participants by selected covariates

Total

5,189

1.02

(0.97, 1.08)

0.20

0.58

1.00

1.87

4.82

Age (yrs)

- 16 – 19

1,103

0.74

(0.67, 0.82)

0.20

0.40

0.77

1.40

3.10

- 20 – 29

1,404

0.88

(0.81, 0.94)

0.20

0.50

0.88

1.66

3.70

- 30 – 39

1,358

1.13

(1.02, 1.24)

0.20

0.60

1.10

2.20

5.80

- 40 – 49

1,324

1.14

(1.07, 1.22)

0.28

0.70

1.10

1.90

5.00

Ethnicity

- White

2,100

1.00

(0.92, 1.07)

0.20

0.53

1.00

1.85

4.89

- Mexican American

1,248

0.77

(0.71, 0.84)

0.20

0.49

0.80

1.30

2.91

- Other Hispanic

328

1.04

(0.84, 1.29)

0.20

0.66

1.09

1.90

3.59

- Black

1,285

1.08

(0.99, 1.17)

0.30

0.63

1.04

1.75

4.10

- Other

228

1.90

(1.62, 2.24)

0.40

0.90

2.03

3.60

8.50

Country born

- US

4,008

0.98

(0.92, 1.04)

0.20

0.54

0.95

1.70

4.45

- Foreign

1,180

1.28

(1.15, 1.42)

0.28

0.70

1.25

2.49

6.52

Household income (/yr)

- < $45,000

2,580

0.86

(0.80, 0.92)

0.20

0.50

0.82

1.54

3.64

- $45,000-$75,000

1,070

1.03

(0.95, 1.11)

0.23

0.60

1.00

1.80

4.90

- > $75,000

1,217

1.29

(1.19, 1.30)

0.30

0.60

1.27

2.30

5.82

Education

- < HS diploma

1,695

0.76

(0.70, 0.83)

0.20

0.40

0.75

1.39

3.30

- HS diploma

1,052

0.93

(0.85, 1.00)

0.20

0.50

0.90

1.60

4.01

- BA degree

1,496

1.02

(0.94, 1.11)

0.20

0.60

1.00

1.80

4.10

- > BA degree

944

1.37

(1.26, 1.49)

0.30

0.72

1.35

2.62

6.40

BMI (kg/m²)

- < 30

3,920

1.10

(1.03, 1.17)

0.20

0.60

1.10

2.00

5.16

- > = 30

1,706

0.89

(0.83, 0.95)

0.20

0.50

0.86

1.50

4.00

Alcohol (g/day)

- < 10

4,500

0.97

(0.91, 1.03)

0.20

0.53

0.93

1.71

4.50

- > = 10

683

1.29

(1.18, 1.42)

0.30

0.71

1.29

2.31

5.58

Seafood (/mo.)

- 1–4 servings

4,422

0.93

(0.88, 0.99)

0.20

0.52

0.90

1.62

4.17

- 5–8 servings

458

1.72

(1.55, 1.91)

0.41

0.90

1.76

3.01

7.52

- >/= 9 servings

198

2.08

(1.81, 2.39)

0.65

1.14

1.92

3.70

10.60

Hepatitis A

- No infection or immunization

2,669

1.03

(0.99, 1.07)

0.20

0.60

1.00

1.90

4.90

- Infection or immunization

1,484

1.04

(0.99, 1.05)

0.23

0.60

1.00

1.90

5.10

Hepatitis B

- No infection or immunization

4,957

1.01

(0.96, 1.07)

0.20

0.57

1.00

1.81

4.70

- Past or current infection ²

185

1.39

(1.16, 1.65)

0.20

0.70

1.30

3.80

6.90

- Immunization

1,673

1.08

(1.03, 1.13)

0.20

0.68

1.07

1.98

4.90

Hepatitis C

- No infection

5,055

1.03

(0.97, 1.09)

0.20

0.59

1.00

1.89

4.80

- Past or current infection

70

0.74

(0.55, 1.01)

0.20

0.40

0.85

1.60

3.40