Table 1. Demographics of Participating Japanese Women
Demographic Characteristics(n = 32)
Mean age, years (range)34 (25–41)
Mean months in US (range)35 (9–120)
Weeks at delivery, mean (range)39.8 (37.7–41.4)
Mean birth weight, g (range) (n = 29)3092 (2200–3995)
Mean duration of help, days (range) (n = 19)34 (8–112)
Parity
    First delivery8 (25)
    Second or multiple deliveries24 (75)
Education*
    High school4 (13)
    Some college6 (19)
    College graduate or higher22 (69)
    Occupation (n = 29)
    Homemaker26 (90)
    Other3 (10)
English proficiency perception (n = 28)
    Fluent2 (7)
    Daily conversation19 (68)
    Limited7 (25)
Location of recent and previous delivery (n = 24)
    Japan16 (67)
    United States (other)2 (8)
    United States (University of Michigan)6 (25)
Delivery type
    Vaginal delivery28 (88)
    Planned cesarean delivery1 (3)
    Unplanned cesarean delivery3 (9)
Anesthesia during labor (n = 30)
    None8 (27)
    Epidural22 (73)
    Intravenous medications
Sex of baby (n = 30)
    Male17 (57)
    Female13 (43)
Help from Japan/family (n = 30)
    Yes23 (77)
    No7 (23)
PCP of baby (n = 29)
    JFHP27 (93)
    Other2 (7)
Breastfeeding method (n = 28)
    Breast milk only22 (79)
    Breast milk and formula6 (21)
  • Data are n (%) unless otherwise indicated. All data had no significant differences between primiparous and multiparous women.

  • * Numbers do not add up to 100% because of rounding.

  • JFHP, Japanese Family Health Program; PCP, primary care physician.