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Table 1 Descriptive characteristics for PROGRESS mothers in current study (N = 99)

From: Lead exposure and serum metabolite profiles in pregnant women in Mexico City

Characteristics

Level/Unit

Median (IQR)

or N (%)

Demographics

  

Age at recruitment

Years

27.7 (6.8)

BMI in 3rd trimester

kg/m2

28.6 (5.0)

Maternal Education

< High School

37 (37%)

 

High School

38 (38%)

 

> High School

24 (24%)

Smoke exposure

Yes

30 (30%)

Season of last menstrual period

Dry/cold

29 (29%)

 

Dry/warm

22 (22%)

 

Rainy

48 (48%)

Lead (Pb) exposure

  

Blood Pb, 3rd trimester

µg/dL

2.9 (2.6)

Tibia Pb, 1 month postpartum a

µg/g

2.5 (7.3)

Patella Pb, 1 month postpartum a

µg/g

3.6 (9.5)

  1. aN = 89