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Table 2 Descriptive characteristics of women (N = 90) and offspring (N = 76) enrolled in the ORigins of Child Health And Resilience in Development (ORCHARD) pregnancy cohort, Baltimore, MD, USA, 2017–2019

From: Predictors and reproducibility of urinary organophosphate ester metabolite concentrations during pregnancy and associations with birth outcomes in an urban population

Characteristics n (%)
Maternal age (range: 16–47 years)
  < 25 years 9 (10)
  ≥ 25 < 30 years 23 (26)
  ≥ 30 < 35 years 34 (38)
  ≥ 35 years 24 (27)
Maternal body mass index (range: 18–64.3 kg/m2)
  < 25 (underweight and normal weight) 44 (49)
  ≥ 25 < 30 (overweight) 15 (17)
  ≥ 30 (obese) 31 (34)
Maternal race/ethnicity
 White / Caucasian 48 (53)
 Non-white 42 (47)
Maternal education (highest level attained)
 High school diploma or less 18 (20)
 Some college 18 (20)
 Bachelor’s degree or higher 54 (60)
Parity
 Nulliparous 44 (49)
 Parous 46 (51)
Tobacco use during pregnancy
 No 57 (63)
 Yes 7 (8)
 Missing 26 (29)
Infant sex
 Male 39 (51)
 Female 37 (49)
  1. Abbreviations: kg Kilogram; m meter