Table 1. Breastfeeding Rates1 by Socio-demographic Factors, Among Children Born in 2000 (Percent +/- half 95% Confidence Interval

Socio-demographic
Factors
Number Ever
Breastfeeding
Breastfeeding
at 6 months
Breastfeeding
at 12 months
US National 12388 70.9±1.9 34.2±2.0 15.7±1.5
Sex
Male 6461 70.4±2.8 32.6±2.7 14.1±1.7
Female 5927 71.4±2.6 35.8±3.0 17.5±2.5
Race/ethnicity
American Indian or Alaska 346 79.6±8.3 37.2±11.2 18.8±9.2
Asian or Pacific islander 716 86.2±4.3 38.1±8.2 18.4±6.5
  Asian 593 86.2±4.9 39.5±8.7 17.6±6.7
  Native Hawaiian and other 141 85.0±9.0 29.9±20.7 22.2±19.9
Black or African American 2353 51.2±5.0 19.3±3.3 7.8±2.2
White 9084 73.9±2.2 37.5±2.4 17.4±1.9
Hispanic or Latino 2547 78.5±4.1 35.5±4.8 17.3±3.5
Not Hispanic or Latino 9804 68.4±2.2 33.7±2.2 15.2±1.7
  Black or African American 2051 48.1±5.4 17.9±3.5 7.3±2.3
  White 7150 72.3±2.4 37.6±2.6 17.0±2.0
Birth Order
First Born 7461 68.2±2.6 33.5±2.5 16.6±1.9
Not First Born 4927 75.2±2.7 35.3±3.4 14.3±2.4
Receiving WIC2
Received WIC 5965 61.9±3.0 24.1±2.5 10.8±1.9
No WIC but eligible 664 83.2±6.1 46.5±10.3 23.7±8.4
No WIC and ineligible 4955 80.2±2.6 45.4±3.3 20.3±2.5
Maternal Age, Year
Mom age<20 237 68.4±11.0 15.6±10.5 7.5±9.2
20<=Mom age<=29 5116 66.0±3.2 26.6±2.9 11.4±2.0
Mom age>=30 7035 75.4±2.4 42.0±2.8 20.1±2.2
Maternal Education
<High School 1621 65.4±5.3 26.1±5.1 13.2±4.1
High School 3516 62.4±3.6 25.8±3.3 11.6±2.4
Some College 2347 72.1±4.3 34.6±4.2 13.6±2.6
College Graduate 4904 83.0±2.7 48.3±3.6 23.2±3.0
Maternal Marital Status
Married 8931 75.6±2.3 39.0±2.4 18.1±1.8
Unmarried3 3457 59.0±3.8 21.9±3.4 9.8±2.8
Residence
MSA4, Central City 5645 70.9±3.0 34.6±3.1 15.7±2.3
MSA, Non-Central City 4364 73.7±3.0 35.6±3.1 16.1±2.2
Non-MSA 2379 63.4±4.5 29.4±4.4 14.8±4.0
Poverty Income Ratio5, %
Pov-Inc Ratio <100% 2381 61.0±4.5 25.0±3.8 11.7±2.8
100%<=Pov-Inc Ratio<185% 2180 66.3±5.1 30.9±4.9 14.3±4.0
185%<=Pov-Inc Ratio <350% 3035 73.4±4.0 38.3±4.0 18.1±3.1
350%<=Pov-Inc Ratio 3324 79.0±3.2 41.4±3.9 17.2±2.8
1Exclusive breastfeeding information from earlier surveys is not shown due to changes in exclusive breastfeeding question.
2
WIC = Special Supplemental Nutrition Program for Women, Infants, and Children.
3
Unmarried includes never married, widowed, separated, divorced.
4
MSA = Metropolitan Statistical Area defined by the Census Bureau.
5
Poverty 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 DNPA breastfeeding analyses, the sample was limited to records with valid responses to the breastfeeding questions.