TABLE 2

Sample Characteristics for Maternity-Care Practices According to Timing of Breastfeeding Termination: IFPS II (N = 1907)

VariableBreastfed for <6 wk (n = 274)Breastfed for ≥6 wk (n = 1633)
Gender of child, %
    Male50.049.7
    Female50.050.3
Age of mother, mean (SD), ya27.0 (5.8)29.5 (5.1)
Race/ethnicity of the mother, %
    White85.884.9
    Black4.73.8
    Hispanic6.96.3
    Asian/Pacific Islander/other2.65.0
Education of mother, %a
    ≤4 y of high school29.214.5
    1–3 y of college48.539.3
    ≥4 y of college22.346.2
Household income, %a
    Less than $20 00022.610.0
    $20 000–$39 99931.028.8
    $40 000–$74 99929.640.3
    $75 000 or more16.820.9
Marital status, %a
    Married65.785.0
    Widowed0.40.2
    Divorced or separated4.73.0
    Never married29.211.8
Previous births, %a
    046.726.5
    ≥153.373.5
No. of cigarettes smoked per day prenatally, %a
    087.694.8
    1–54.71.8
    6–104.71.7
    ≥112.91.7
No. of friends and relatives who breastfed, %a
    None or don't know18.69.1
    1–227.417.0
    3–531.028.1
    ≥523.045.9
Mother's prenatal intention to work after birth, %a
    Yes63.956.9
    No36.143.1
Prenatal attitudes toward breastfeeding, %
    Infant formula as good as breast milka
        Agree or unsure44.525.8
        Disagree55.574.2
    If breastfed, child less likely to become obesea
        Agree31.048.0
        Disagree or unsure69.052.0
  • The sample was limited to women who initiated breastfeeding and intended to breastfeed for >2 months, with complete data on all variables.

  • a Significant differences between 2 groups of breastfeeding duration: P < .05.