Table 1 Comparison of study sample with the whole cohort
| 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 |
