Skip to main content

Table 2 Prevalence of multivitamin intake by maternal characteristics

From: Pre-pregnancy obesity and non-adherence to multivitamin use: findings from the National Pregnancy Risk Assessment Monitoring System (2009–2011)

 

No intake n = 2 946 523

1–3 times/week n = 444 399

4–6 times/week n = 323 867

Every day n = 1 607 653

P-value

Weighted row %

Body mass index

    

<.0001

  Underweight

61.6

8.5

4.6

25.3

 

  Normal Weight

51.09

8.50

6.92

33.49

 

  Overweight

56.47

8.33

6.07

29.13

 

  Obese

60.9

8.3

5.0

25.8

 

Socio-demographic

Age

    

<.0001

   ≤ 19

77.6

5.6

1.9

14.9

 

  20–24

71.8

7.3

3.8

17.1

 

  25─29

54.3

8.7

6.2

30.8

 

  30–35

42.3

9.2

8.0

40.5

 

   > 35

38.5

9.8

8.9

42.8

 

Race/Ethnicity

    

<.0001

  White, non-Hispanic

49.2

8.6

7.5

34.7

 

  Black, non-Hispanic

66.6

9.1

3.5

20.8

 

  Hispanic

66.0

7.2

3.9

22.9

 

  Other, non-Hispanic

54.1

8.2

6.1

31.6

 

Married

    

<.0001

  Yes

43.5

9.2

8.2

39.1

 

  Other

73.2

7.1

2.9

16.8

 

Education

    

<.0001

   < High school

71.0

6.7

2.9

19.4

 

  High school

68.6

7.1

3.6

20.7

 

   > High school

44.2

9.5

8.2

38.1

 

Income

    

<.0001

   < $20,000

72.2

7.5

3.1

17.2

 

  $20,000–34,999

62.7

8.6

5.2

23.5

 

  $35,000–49,999

53.1

9.6

7.6

29.7

 

   ≥ $50,000

33.0

9.0

9.8

48.2

 

Pre-pregnancy Insurance

    

<.0001

  Private

42.8

9.0

8.2

40.0

 

  Medicaid

66.8

8.1

3.6

21.5

 

  Other

61.3

8.7

4.5

25.5

 

  Multiple

57.4

8.1

3.9

30.6

 

  No insurance

73.5

7.2

3.6

15.7

 

Medical-reproductive

Previous live birth

    

<.0001

  0

54.8

7.1

5.4

32.7

 

  1–2

54.6

9.0

6.6

29.8

 

   ≥ 3

60.94

10.1

6.5

22.54

 

Pre-pregnancy diabetes

    

<.0001

  No

55.5

8.3

6.1

30.1

 

  Yes

50.9

8.6

4.7

35.8

 

Pre-pregnancy hypertension

    

<.0001

  No

56.1

8.3

6.2

29.4

 

  Yes

47.3

8.7

4.9

39.1

 

Pregnancy intention

    

<.0001

  Unintended

71.9

8.1

4.00

16.0

 

  Intended

43.0

8.5

7.6

40.9

 

Socio-behavioral

Pre-pregnancy smoking

    

<.0001

  No

49.9

8.8

6.8

34.5

 

  Yes

72.5

6.9

3.9

16.7

 

Average # of alcohol drink/week

    

<.0001

  None

55.1

6.9

5.2

32.8

 

  Up to 3

52.5

8.6

7.2

31.7

 

  v4 or more

58.5

8.1

7.0

26.4

 

Pre-pregnancy dieting

    

<.0001

  No

57.2

7.8

5.7

29.3

 

  Yes

50.6

9.8

7.1

32.5

 

Pre-pregnancy exercising

    

<.0001

  No

63.1

7.8

4.8

24.3

 

  Yes

44.5

9.0

7.9

38.6

 

Intimate partner violence

    

<.0001

  No

54.6

8.4

6.2

30.8

 

  Yes

72.9

7.4

3.1

16.6

 
  1. Weighted N = adjusted for the complex sampling design and represents the total population that the sampled was derived from