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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: J Midwifery Womens Health. 2011 Mar;56(2):118–126. doi: 10.1111/j.1542-2011.2010.00023.x

Table Four.

Results of Logistic Regression Analysis for the Prediction of PTB

Variables in Model OR (95% CI) p value
CRHa 6.6 (1.4–31.5) .018
SSRI useb 11.7 (2.2 – 60.7) .004

CRH: corticotropins-releasing hormone (lowest 3 quartiles compared to the highest – fourth – quartile)

SSRI: selective serotonin reuptake inhibitor for depression or anxiety prior to 20 weeks of pregnancy

OR: Odds Ratio CI: confidence interval Sig.: significance level

a

There were 23 women (out of 100) with CRH levels in the 4th quartile, 7 of those delivered preterm

b

There were 13 women (out of 100 women) who took SSRIs prior to 20 weeks gestation, 4 of those delivered preterm