Provisional Breastfeeding Rates by Socio-demographic Factors, Among Children Born in 2005
(Percent +/- half 95% Confidence Interval)

Socio-demographic Factors Number Ever
Breastfeeding
Breastfeeding1
at 6 Months
Breastfeeding1
at 12 Months
US National 15269 74.2±1.2 43.1±1.3 21.4±1.1
Sex
Male 7822 75.3±1.6 43.6±1.9 22.2±1.7
Female 7447 73.1±1.7 42.5±1.9 20.6±1.5
Race/ethnicity
American Indian or Alaska 543 65.5±8.5 42.3±6.9 24.3±5.8
Asian or Pacific Islander 1025 83.6±4.9 51.8±4.4 29.1±3.9
       Asian 861 83.3±5.5 53.7±4.6 30.4±4.2
       Native Hawaiian and other 209 87.5±7.4 43.7±12.7 26.5±10.8
Black or African American 2191 61.4±3.2 29.3±2.5 13.4±1.8
White 12366 76.8±1.3 43.2±1.3 21.9±1.1
Hispanic or Latino 3213 80.6±2.3 45.1±2.5 24.1±2.2
Not Hispanic or Latino (NH) 12056 71.8±1.4 40.0±1.2 19.6±0.9
       NH Black or African American 1898 58.7±3.4 26.3±2.7 11.9±1.8
       NH White 9563 74.5±1.5 42.5±1.4 20.8±1.1
Birth Order
First Born 7784 74.2±1.6 45.7±1.9 24.5±1.7
Not First Born 7485 74.2±1.7 40.3±1.8 18.1±1.5
Receiving WIC2
Yes 6503 67.8±1.9 34.2±2.0 16.9±1.6
No, but eligible 688 76.2±5.2 56.4±6.5 32.9±6.8
Ineligible 7340 82.3±1.5 52.7±1.9 25.7±1.7
Maternal Age, Years
<20 388 51.2±8.3 18.6±6.9 9.2±5.1
20-29 5495 70.6±2.0 36.0±2.2 15.5±1.6
>=30 9386 78.5±1.4 49.9±1.7 26.6±1.6
Maternal Education
Not a High School Graduate 1887 65.7±3.4 37.1±3.7 20.4±3.2
High School Graduate 2816 67.8±2.5 33.6±2.8 15.5±2.1
Some College 4211 75.2±2.1 39.7±2.5 18.7±2.1
College Graduate 6355 85.9±1.3 58.8±1.9 29.9±1.8
Maternal Marital Status
Married 11541 79.6±1.2 49.8±1.5 25.1±1.4
Unmarried3 3728 62.4±2.6 28.0±2.5 13.3±2.0
Residence
MSA4, Central City 6690 76.2±1.8 45.4±2.1 23.8±1.8
MSA, Non-Central City 5646 75.8±1.8 44.4±2.2 21.4±1.8
Non-MSA 2933 64.6±2.9 33.1±2.7 15.3±1.9
Poverty Income Ratio5, %
<100% 2803 67.0±2.9 36.2±3.1 19.3±2.7
100%-184% 2275 71.4±3.1 38.8±3.7 20.0±3.0
185%-349% 3587 74.9±2.4 43.3±2.6 21.5±2.0
350% 5190 82.8±1.7 52.1±2.2 24.5±2.0
1Breastfeeding with or without the addition of complementary liquids or solids
2WIC = Special Supplemental Nutrition Program for Women, Infants, and Children.
3Unmarried includes never married, widowed, separated, divorced.
4MSA = Metropolitan Statistical Area defined by the Census Bureau.
5Poverty Income Ratio = Ratio of self-reported family income to the federal poverty threshold value depending on the number of people in the household.
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.