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Table 1 Maternal and infant characteristics (n = 114)

From: Maternal intake of methyl-group donors affects DNA methylation of metabolic genes in infants

Characteristics Mean (SD) Range
Mother
 Maternal age (years) 31 (3.7) 25–41
 Prepregnancy BMI (kg/m2) 23 (3.4) 17.9–33
 Gestational weight gain (kg) 14.8 (4.1) 5.3–28.9
Infant
 Weight (g) 7875.4 (877.6) 6240–11,120
 Length (cm) 67.9 (2.6) 62–76.5
 Age (months) 6.3 (0.4) 4.6–7.2
  % N
Maternal smoking (yes)
 Before pregnancy 3.5 4
 First trimester 3.5 4
 Second trimester 0.9 1
 Third trimester 0.9 1
Gender
 Boy 52.6 60
 Girl 47.4 54
Duration of breastfeeding
 0 months 7 8
 <1 month 6.1 7
 1–3 months 19.3 22
 3–6 months 28.1 32
 >6 months 39.5 45