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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Biol Psychol. 2014 Apr 21;100:13–19. doi: 10.1016/j.biopsycho.2014.04.003

Table 1.

Sample socio-demographics and medical history.

Variables N (%)
Age at Time 1 M=30 (SD=5.20, range= 18-43)
Ethnicity
    Non-Hispanic White 221 (49.3%)
    Latina 99 (22.1%)
    African-American 61 (13.6%)
    Asian 40 (8.9%)
    Multi-ethnic/Other 27 (6.9%)
Income
    < $10,000 20 (4.5%)
    $10,001 - $30,000 67 (15.0%)
    $30,001 - $50,000 87 (19.4%)
    $50,001 - $70,000 91 (20.3%)
    $70,001 - $90,000 60 (13.4%)
    > $90,000 123 (27.5%)
Education
    High School or less 70 (15.6%)
    Some college 175 (39.1%)
    Bachelor's degree 123 (27.5%)
    Graduate degree 80 (17.9%)
    Married or Cohabitating 396 (88.4%)
Parity
    Nulliparous 242 (54.0%)
    Multiparous 206 (46.0%)
Current Obstetric Risk Factors M=1.15 (SD=1.40, range = 0-7)
Historical Obstetric Risk Factors M= 0.75 (SD=0.99, range = 0-6)
Medical History Risk Factors M=1.20 (SD=1.14, range = 0-5)

Note:N=448