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Breastfeeding Among U.S. Children Born 2001–2011, CDC National Immunization Survey


Percentage of U.S. Children Who Were Breastfed, by Birth Year a,b
Any Breastfeeding Exclusive Breastfeeding
Line graph showing prevalence of any breastfeeding at early postpartum, 6 months and 12 months from 2001 to 2011, National Immunization SurveyLine graph showing exclusive breastfeeding through 3 months and 6 months from 2003 to 2011, National Immunization Survey

aBreastfeeding rates through 2008 births are based on the National Immunization Survey’s landline sampling frame. Starting with 2009 births, rates are based on a dual-frame sample that includes respondents surveyed on landline or cellular telephones. See survey methods for details on study design and the impact of adding a sample of cellular telephone respondents to the National Immunization Survey starting in 2011.

bHealthy People 2020 objectives for breastfeeding in early postpartum period, at 6 months and 12 months are 81.9%, 60.6% and 34.1%, respectively. Healthy People 2020 objectives for exclusive breastfeeding through 3 and 6 months of age are 46.2% and 25.5%, respectively. National data on exclusive breastfeeding are not available for children born prior to 2003. See survey methods for details.

Percentage of Children Who Were Breastfed, by Birth Year, National Immunization Survey, United States (Percentage ± Half 95% Confidence Interval)
 Landline Sample Dual-frame Sample
20012002200320042005200620072008 200920102011
Ever Breastfed71.6±1.071.4±0.972.6±0.973.1±0.874.1±1.074.0±0.975.6±0.974.6±0.9 76.1±1.076.7±1.279.2±1.2
At 6 months37.3±1.237.9±1.039.1±0.942.1±0.942.9±1.143.5±1.143.8±1.144.4±1.1 46.6±1.247.5±1.449.4±1.5
At 12 months18.5±0.919.2±0.819.6±0.821.4±0.821.5±0.922.7±0.922.7±1.023.4±1.0 24.6±1.025.3±1.326.7±1.3
Exclusively through 3 months29.6±1.531.5±0.932.1±1.033.6±1.033.5±1.034.3±1.0 35.9±1.137.1±1.440.7±1.5
Exclusively through 6 months10.3±1.012.1±0.712.3±0.714.1±0.813.8±0.814.6±0.8 15.6±0.917.2±1.218.8±1.2
aBreastfeeding rates through 2008 births are based on the National Immunization Survey’s landline sampling frame. Starting with 2009 births, rates are based on a dual-frame sample that includes respondents surveyed on landline or cellular telephones. See survey methods for details on study design and the impact of adding a sample of cellular telephone respondents to the National Immunization Survey starting in 2011.


 

Percentage of Breastfed Children Who were Supplemented with Infant Formula, by Birth Year, National Immunization Survey, United Statesa,b
Table showing percentage of U.S. Children Who Were Breastfed, by Birth Year, with confidence intervals, National Immunization Survey.

aFormula supplementation rates through 2008 births are based on the National Immunization Survey’s landline sampling frame. Starting with 2009 births, rates are based on a dual-frame sample that includes respondents surveyed on landline or cellular telephones. See survey methods for details on study design and the impact of adding a sample of cellular telephone respondents to the National Immunization Survey starting in 2011.

bFormula supplementation is defined as supplementation of breast milk with formula (with or without other supplementary liquids or solids) among infants breastfed at the age specified (2 days, 3 months, or 6 months). National data on formula supplementation are not available for children born prior to 2003. See survey methods for details on study design.

Percentage of U.S. Breastfed Infants Who were Supplemented with Infant Formula, by Birth Year, National Immunization Survey, United States (Percentage +/- Half 95% Confidence Interval)a,b
 Landline Sample Dual-frame Sample
200320042005200620072008 200920102011
Before 2 days22.3±1.623.5±1.024.9±1.124.2±1.125.6±1.225.1±1.2 23.3±1.122.8±1.419.4±1.3
Before 3 months38.1±2.237.4±1.338.1±1.436.7±1.437.1±1.537.1±1.5 35.9±1.535.4±1.831.5±1.8
Before 6 months47.4±2.644.5±1.545.9±1.743.6±1.643.7±1.743.6±1.7 43.4±1.742.8±2.237.9±2.0

aFormula supplementation rates through 2008 births are based on the National Immunization Survey’s landline sampling frame. Starting with 2009 births, rates are based on a dual-frame sample that includes respondents surveyed on landline or cellular telephones. See survey methods for details on study design and the impact of adding a sample of cellular telephone respondents to the National Immunization Survey starting in 2011.

bFormula supplementation is defined as supplementation of breast milk with formula (with or without other supplementary liquids or solids) among infants breastfed at the age specified (2 days, 3 months, or 6 months). National data on formula supplementation are not available for children born prior to 2003. See survey methods for details on study design.


 

Rates of Any and Exclusive Breastfeeding by Age Among Children Born in 2011, National Immunization Survey, United Statesa,b
Line graph showing Rates of Any and Exclusive Breastfeeding by Age Among Children Born in 2011, National Immunization Survey

aBreastfeeding rates presented in this figure are based on dual-frame (landline and cellular telephone) samples from 2012 and 2013 National Immunization Survey. See survey methods for details on study design.

bExclusive breastfeeding is defined as ONLY breast milk — NO solids, no water, and no other liquids.

Source: National Immunization Survey, Centers for Disease Control and Prevention, Department of Health and Human Services

 

Rates of Any and Exclusive Breastfeeding by Age Among Children Born in 2011 (Percentage +/- half 95% Confidence Interval)a,b
U.S. National Breastfeeding Rates, 2011 Birth
Child AgeBreastfeeding
(n=14456)
Exclusive Breastfeeding (n=14131)
At birth

79.2±1.2

7 days

78.1±1.2

59.5±1.5

14 days

77.2±1.2

57.3±1.5

21 days

75.7±1.2

55.1±1.5

28 days

74.5±1.3

53.7±1.5

42 days

70.3±1.4

48.0±1.5

1 month

74.2±1.3

53.2±1.5

2 months

68.8±1.4

46.9±1.5

3 months

63.6±1.4

40.7±1.5

4 months

56.9±1.5

32.9±1.5

5 months

51.9±1.5

24.0±1.3

6 months

49.4±1.5

18.8±1.2

7 months

41.0±1.5

8 months

37.8±1.5

9 months

33.9±1.4

10 months

30.7±1.4

11 months

28.5±1.4

12 months

26.7±1.3

18 months

9.9±0.9

aBreastfeeding rates presented in this table are based on dual-frame (landline and cellular telephone) samples from 2012 and 2013 National Immunization Survey. See survey methods for details on study design.

bExclusive breastfeeding is defined as ONLY breast milk — NO solids, no water, and no other liquids.

Source: National Immunization Survey, Centers for Disease Control and Prevention, Department of Health and Human Services.

Sample sizes appearing in the NIS breastfeeding tables are slightly smaller than the numbers published in other NIS publications due to the fact that in the DNPAO breastfeeding analyses, the sample was limited to records with valid responses to the breastfeeding questions.


 

 

TablesBirth Cohorts
"Any" and "Exclusive" Breastfeeding Rates
by states201120102009
by socio-demographics201120102009
Note: Dual-frame estimates are based on both landline and cellular phone samples.

 

Tables and Maps Based on Landline Estimates

TablesBirth Cohorts
Any breastfeeding rates
-by socio-demographic factors20072006200520042003200220012000
-by state and local areas20072006200520042003200220012000
Exclusive breastfeeding rates
-by socio-demographic factors2007200620052004
-by state and local areas2007200620052004
Formula supplementation rates
-by socio-demographic factors2007200620052004
-by state and local areas2007200620052004
Breastfeeding rates
-by child's age20072006200520042003200220012000
MapsBirth Cohorts
-Percentage of children ever breastfed by state20072006200520042003200220012000
-Percentage of children breastfed at 6 months of age by state20072006200520042003200220012000
-Percentage of children breastfed at 12 months of age by state20072006200520042003200220012000
-Percentage of children exclusively breastfed through 3 months2007200620052004
-Percentage of children exclusively breastfed through 6 months2007200620052004
Note: The sample size was insufficient to present estimates by sociodemographic or geographic characteristics for the 1999 births. Similarly, data on exclusive breastfeeding and formula supplementation were available on too few of children born in 2003 to enable sociodemographic or geographic breakdowns (survey methods).

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