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Table K-2Demographic factors as predictors of trial of labor

Author, Year
Study Design
CharacteristicAdjusted odds ratio for TOL95% CI
Maternal Age
Cameron, 20041
Retrospective Cohort
<30 y1.00Referent
30–39 y0.860.80–0.92
40 y and older0.400.33–0.48
McMahon, 19962
Retrospective Cohort
≤19 y1.401.00–2.10
20–24 y1.000.80–1.10
25–29 y1.00Referent
30–34 y1.101.00–1.20
≥35 y1.201.00–1.40
Race
Selo-Ojeme, 20088
Retrospective Cohort
White1.00Referent
Non-white (Afro-Caribbean, Asian)3.51.90–6.10

Abbreviations: CI=confidence interval; TOL=trial of labor; y=year(s)

From: Appendix K, Detailed Evaluation of Predictors of Trial of Labor and Vaginal Birth After Cesarean

Cover of Vaginal Birth After Cesarean: New Insights
Vaginal Birth After Cesarean: New Insights.
Evidence Reports/Technology Assessments, No. 191.
Guise JM, Eden K, Emeis C, et al.

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