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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Womens Health Issues. 2012 Jul;22(4):e371–e377. doi: 10.1016/j.whi.2012.05.002

Table 5.

Final logistic regression equations on unplanned pregnancies

Beta S.E. Wald Odds Ratio (95% Confidence Interval)
ONE UNPLANNED PREGNANCY
     Race (African-American) 1.26 0.27 21.36*** 3.53 (2.07–6.03)
     Age 0.14 0.02 42.38*** 1.15 (1.10–1.20)
     SES −0.06 0.01 29.56*** 0.94 (0.92–0.96)
     BPD severity scores 0.07 0.03 7.35** 1.07 (1.02–1.13)
     SUD 1.23 0.48 6.71** 3.42 (1.35–8.68)
     BPD × SUD −0.05 0.02 6.65** 0.95 (0.92–0.99)
REPEAT UNPLANNED PREGNANCIES
     Race (African-American) 0.77 0.28 7.30** 2.15 (1.23–3.75)
     Age 0.16 0.02 55.52*** 1.17 (1.13–1.22)
     SES −0.06 0.01 19.94*** 0.94 (0.92–0.97)
     BPD severity scores 0.08 0.03 7.92** 1.08 (1.02–1.15)
     SUD 1.27 0.53 5.79* 3.56 (1.27–10.0)
     BPD × SUD −0.05 1.23 5.17* 0.96 (0.92–0.99)

Note.

t

p < .10,

*

p , >05,

**

p < .01,

***

p < .001

Age = age at enrollment

BPD = Borderline personality disorder

SUD = Substance use disorder