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Table 2 Study population characteristics by Maternal HFE H63 D and TF P570 S genotype

From: HFE Gene Variants Modify the Association between Maternal Lead Burden and Infant Birthweight: A Prospective Birth Cohort Study in Mexico City, Mexico

 

H63

Wildtype

H63 D

Variant

TF

Wildtype

TF

Variant

Age (years)

24.5 (5.0)

23.9 (5.2)

24.4 (5.0)

24.4 (5.2)

Education (years)

9.3 (3.0)

9.3 (2.9)

9.4 (3.0)

9.3 (3.1)

Arm circumference

26.4 (2.7)

26.2 (2.5)

26.3 (2.7)

26.6 (2.7)

Smoking during pregnancy

4.7%

2.7%

4.7%

3.0%

Primiparity

43.6%

49.3%

44.3%

41.4%

Hemoglobin 1 month (g/dL)

13.6 (1.5)

13.6 (1.6)

13.5 (1.5)

13.8 (1.4)**

Marital Status (% Married)

65.5%

61.3%

64.5%

64.7%

Tibia Bone Lead (ug/g)

10.1 (9.7)

8.7 (9.3)

10.1 (9.8)

9.4 (9.0)

Gestational Age (days)

39.3 (1.4)

39.1 (1.4)

39.2 (1.4)

39.4 (1.3)

Birthweight (grams)

3162.2 (418.1)

3091.7 (415.8)

3156.6 (420.4)

3134.5 (404.9)

Sex (% Male)

54.9%

50.7%

54.7%

54.6%

Cord Blood Lead (μg/dL)

6.6 (3.5)

6.3 (4.2)

6.5 (3.5)

6.9 (1.3)

  1. *P(< 0.1), **P(< 0.05)