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Table 1 Characteristics of mother-newborn pairs (n = 443)

From: Cord blood acrylamide levels and birth size, and interactions with genetic variants in acrylamide-metabolising genes

Characteristics

Median (IQR) or n (%)

Maternal

 Age, y

30 (27–32)

 Pre-gestational BMI, kg/m2

23.5 (21.3–26.6)

 Gestational weight gain, kg

14 (11.0–17.5)

 Maternal education

   Low

48 (10.9%)

   Middle

142 (32.3%)

   High

250 (56.8%)

 Smoking during pregnancy

   Yes

63 (14.2%)

   No

380 (85.8%)

Number of cigarettes smoked per daya

9 (5–10)

 Parity

   1

236 (53.3%)

   2

152 (34.3%)

   ≥ 3

55 (12.4%)

Newborn

 Sex

   Male

229 (51.7%)

   Female

214 (49.3%)

 Ethnicity

   European

393 (88.7%)

   Non-European

50 (11.3%)

Acrylamide hemoglobin adducts (pmol/ g hemoglobin)

13.2 (10.4–17.6)

Glycidamide hemoglobin adducts (pmol/ g hemoglobin) (n = 393)

13.3 (10.2–18.0)

Glycidamide to acrylamide ratio (n = 393)

Gestational age, w

0.92 (0.76–1.10)

40 (39–40)

Birth weight, g

3430 (3140–3720)

Birth height, cm

50 (49–52)

Birth head circumference, cm

34 (33–35)

  1. IQR interquartile range
  2. aamong the women who reported to have smoked during pregnancy