| Study sample (n = 64) | All mothers and their newborn (n = 299) |  |
---|---|---|---|
Variables | Mean ± SD. or number(%) or Median(IQR) | Mean ± SD. or number(%) or Median(IQR) | p-value |
Maternal Characteristics | |||
Age (Years) | 28.9 ± 4.8 | 28.3 ± 4.2 | 0.32 |
Pre-pregnant BMI (kg/m2) | 20.5 ± 2.6 | 25.6 ± 3.9 | 1.92 × 10−23 |
Arsenic metabolites μg g−1 creaa |  |  |  |
Total arsenic | 23.19(21.2) | 22.26(28.51) | 0.52 |
Inorganic arsenic | 0.83(0.92) | 0.79(1.11) | 0.9 |
MMA | 0.40(1.48) | 0.46(1.85) | 0.7 |
DMA | 20.73(18.23) | 20.01(24.82) | 0.52 |
Maternal Education |  |  | 5.12 × 10−15 |
 ≤high school | 3 (4.7%) | 132(44%) |  |
 high school +2 years | 22(34.3%) | 117(39%) |  |
 ≥high school +4 years | 39(61%) | 50(17%) |  |
Newborns | |||
 Gestational Age (weeks) | 39 ± 1.2 | 39 ± 2.8 | 1 |