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Table 1 Selected maternal and child characteristics of the study population

From: Maternal dietary intake of folate, vitamin B12 and MTHFR 677C>T genotype: their impact on newborn’s anthropometric parameters

 

(n = 231)

Percentiles

10th

90th

Maternal characteristic

Age (years)

 Mean ± SD

21.62 ± 3.82

17

27

Education (years)

 Mean ± SD

10.70 ± 3.09

6

15

Parity > 1(%)

16.45

  

Paid occupation (%)

44.59

  

BMI at first trimester

 Mean ± SD

23.14 ± 3.82

18.73

28.81

Tobacco smoking (%)

 Non-smoker

175 (75.76)

  

 Passive smoker

38 (16.45)

  

 Smoker

18 (7.79)

  

Supplement intake (%)

   

 Yes

142 (61.47)

  

 No

89 (38.53)

  

Hypertension (%)

 Yes

20 (8.66)

  

 No

211 (91.34)

  

Child characteristics

 Male (%)

133 (57.58)

  

 Gestational age (weeks)

39.24 ± 1.58

37.30

41.08

 <37 weeks (%)

13 (5.63)

  

 Birth weight (g)

3.21 ± 0.46

2.65

3.80

 Birth length (cm)

50.36 ± 2.38

47.0

53.0

Z-score at birth

 Weight-for-age

−0.22 ± 0.95

−1.35

0.98

 Length-for-age

0.40 ± 1.22

−1.15

1.65

 BMI-for-age

−0.65 ± 1.41

−2.27

1.02

 Weight-for-length

−0.87 ± 1.63

−2.85

1.23