Table 1.

General information and blood lead levels of study population (N = 299)

Variables	Percent	Mean (SD)
Age (years)		24.32 (6.71)
Gestational age (weeks)		24.07 (8.68)
Pregnancies		2.0 (1.0)
Body mass index (kg/m2)		27.23 (5.63)
Hemoglobin (g/dL)		12.55 (1.34)
Monthly income per person, USD		140.95 (144.73)
Working in places where lead is used
Yes	10.4
No	89.6
Blood lead levels (μg/dL)		2.79 (2.14)
Geometric mean (95% CI)		2.38 (2.25 – 2.54)