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Table 1 Characteristics of 349 mothers-newborn in GESTE study, Quebec, Canada, 2007–2008

From: Maternal levels of endocrine disruptors, polybrominated diphenyl ethers, in early pregnancy are not associated with lower birth weight in the Canadian birth cohort GESTE

Characteristics (range and unit)

Mean (SD)

No (%)

Total population

349 (100)

Newborn characteristics

 

 Male

179 (51.3)

 Birth weight (1,555 to 4,705 g)

3,366.6 (504.1)

 Low birth weight (BW < 2500 g)

16 (4.6)

 Gestational age at recruitment (3.3 to 28.6 weeks of amenorrhea)

11.01 (2.9)

 Gestational age at birth (30.3 to 42.3 weeks of amenorrhea)

39.3 (1.6)

 Prematurity (Gestational age at birth < 37 weeks of amenorrhea)

23 (6.6)

Maternal characteristics

 

 Age at delivery (18 to 40 years)

28.8 (4.4)

 Married or common-law relationship

323 (93)

 BMI at recruitment (16.4 to 48.9 kg/m2)

25.9 (5.9)

 Smoked during pregnancy

65 (19)

 Alcohol consumption during pregnancy

19 (5.4)

 Recreational drug consumption during pregnancy

5 (1.4)

 Infection during pregnancy

32 (9)

 Previous low birth weight (<2500 g) infant in multipara (n = 236)

28 (12)

 Previous preterm infant in multipara (n = 236)

16 (7)

 Inter pregnancy intervala

 

  Low (<18 months)

57 (24.3)

  ≥18 and ≤ 60 months

147 (62.5)

  Large (>60 months)

31 (13.2)

  1. Abbreviation: SD standard deviation
  2. aTime interval between pregnancy before and GESTE pregnancy