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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Matern Child Health J. 2014 Oct;18(8):1955–1963. doi: 10.1007/s10995-014-1441-z

Table 1.

Descriptive Statistics for the ECLS-B and the FFCWB Studies

ECLS-B (n=8250)
M or %
FFCWB (n=4053)
M or %
Ever breastfed 69.6 57.0
Breastfed 6 months or more 1 44.9 36.0
Three-Generation 15.2 26.9
Race/Ethnicity
 White 57.5 21.7
 Black 13.9 47.3
 Hispanic 22.5 26.9
 Asian 3.5 -
 Native American 0.6 -
 Other 1.9 3.8
Education
 Less than HS 19.5 33.9
 High school 28.5 30.2
 Some college 27.7 25.1
 College up 24.3 10.8
Relationship Status
 Married 66.8 24.8
 Cohabiting 14.5 36.3
 Single 18.7 38.9
Other Mother Characteristics
 Age at birth (SD) 28.10 (6.16) 25.12 (6.03)
 Immigrant 17.9 15.8
 Fair/poor health 7.2 7.3
 Prenatal care 1st trimester 83.8 80.5
 Smoked during pregnancy 11.1 18.9
 Worked year prior to birth 71.6 76.8
 Poverty 23.9 32.9
 WIC 52.0 72.6
 Large household size 35.1 24.5
Child Characteristics
 First birth 41.1 38.6
 Child’s age in months (SD) 2 10.47 (1.94) 14.99 (3.49)
 Low birth weight 6.0 9.5
Region
 Northwest 22.6 -
 Northeast 16.7
 South 37.5 -
 West 23.8 -
Urban 85.6 -

Note. ECLS-B statistics are weighted, N’s are unweighted and rounded to the nearest 50 as per NCES requirements. Descriptives for the 20 FFCWB sample cities not presented here. Sample restricted to singleton births.

1

Sample restricted to mothers who breastfed: n=5500 in the ELCS-B and n=2295 in FFCWB.

2

Age at the 1-year survey in the FFCWB.