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. Author manuscript; available in PMC: 2015 Feb 17.
Published in final edited form as: J Obstet Gynecol Neonatal Nurs. 2013 Jun 17;42(4):404–415. doi: 10.1111/1552-6909.12223

Table 1.

Descriptions of the sample overall and by cohort, depicting all factors included in the multivariate models

Total (n=467) Adequate Prenatal Care n=331 (70.9) NOT Adequate Prenatal Care n=136 (29.1) Statistic P
Sociodemographic risk factors
    African American 152 (32.5) 72(20.1) 80(63.5) χ2 =75.3 <.001
    Poverty (income <$15,000) 78 (16.7) 36(10.6) 42(33.3) χ2 =34.3 <.001
    Teen 88 (18.8) 37(10.9) 51(40.5) χ2 =52.8 <.001
    Low Education 168 (36.0) 84(24.6) 84(66.7) χ2 =70.6 <.001
    High Crime 142 (30.4) 65(19.1) 77(61.1) χ2 =77.9 <.001
    Socioeconomic Risk Index, mean (SD) 1.3 (1.7) 0.9 (1.4) 2.6 (1.8) t(184.5)=10.1 <.001
    High or Low Risk Score 167(35.8) 79(23.2) 88(69.8) χ2 =87.3 <.001
Trauma and Complex PTSD
    Childhood maltreatment trauma 86(18.4) 69(20.2) 17(13.5) χ2 =2.7 .095
    Lifetime PTSD 114(24.4) 83(24.3) 31(24.6) χ2 =0.0 .953
    Current PTSD 36(7.7) 21(6.2) 15(11.9) χ2 =4.3 .039
    Depression 48(10.3) 34(10.0) 14(11.1) χ2 =0.1 .719
    Any Substance Use in Pregnancy 112(24.0) 71(20.8) 41(32.5) χ2 =6.9 .008
    Dissociation score, mean (SD) 1.0(2.3) 1.0(2.4) 1.0(2.2) t(241)=-0.0 .978
    Interpersonal sensitivity score, mean (SD) 4.1(5.5) 3.6(4.4) 5.6(7.5) t(159)=2.8 .005
    Somatization score, mean (SD) 5.2(5.1) 5.3(5.1) 4.9(5.1) t(465)=0.2 .503
Healthcare Related Factors
    Pre-existing chronic condition 211(45.2) 174(51.0) 37(29.4) χ2 =17.4 <.001
    Antepartum complication 96(20.6) 25(19.8) 71(20.8) χ2 =0.1 .816
    Alliance with Provider, mean (SD) 67.3(9.2) 68.2(8.9) 64.9 (9.4) t(214.1)=−3.5 .001
    Insurance coverage type χ2 =51.0 <.001
        Private 305(74.6) 244(83.8) 61(51.7)
        Medicaid 99(24.2) 47(16.2) 52(44.1)
        None 3(0.7) 0 3(2.5)
        Self-pay 2(0.5) 0 2(1.7)

Note: Values are n(%) unless stated otherwise. PTSD = post traumatic stress disorder; SD = standard deviation