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Table 1 Study cohort demographic information

From: Prenatal arsenic exposure alters the placental expression of multiple epigenetic regulators in a sex-dependent manner

Characteristic Mean (SD)
Gestational age (wks) 39.4 (1.5)
Maternal age at enrollment (yrs) 31.8 (4.8)
Parity 0.93 (1.1)
Pre-pregnancy BMI (kg/m2) 26.3 (5.9)
Ever smoked during pregnancy 18 (5.8)
Infant birth weight (kg) 3.4 (0.5)
Infant sex:
 Male 163 (52.4)a
 Female 148 (47.6)a
Total urinary arsenic (U-As, μg/L) 3.7 (2.2–6.3)b
  1. anumber (%); bmedian (interquartile range)