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Table 1 Socio-demographic characteristics of the study sample

From: Low intake of iodized salt and iodine containing supplements among pregnant women with apparently insufficient iodine status - time to change policy?

 

Number

Percent

Mean

Median

Total n = 105

Maternal age (years)

95

100

31 ± 5

31

 Up to 25

15

14

  

 26–35

71

75

  

 Over 35

19

18

  

Gestational age at study entry, weeks

95

100

31 ± 7

32

 First trimester

4

4

  

 Second trimester

19

20

  

 Third trimester

72

76

  

Smoking status

105

NA

  

 Smoked before pregnancy

34

34

  

 Smoking at study entry

18

17

  

 No smoking

66

66

  

Education

105

100

NA

NA

 Graduated college

48

46

  

 Other

57

54

  

Country of birth

105

100

NA

NA

 Israel

72

72

  

 Other

28

28

  

Number of children

100

100

1.58 ± 1.57

1

 None

28

29

  

 One

27

28

  

 Two or more

45

45

  

Preconception BMI, kg/m2

63

100

25 ± 6

24

 Underweight (less than 18.5)

4

6

  

 Normal weight (18.5–24.9)

31

49

  

 Overweight (24.9–29.9)

20

32

  

 Obese (30–34.9)

5

8

  

 Extremely obese (35 and higher)

3

5

  
  1. NA not available, BMI body mass index