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Table 1 General information and blood lead levels of study population (N = 299)

From: The relationship between blood lead levels and occupational exposure in a pregnant population

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)