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Table 3 Association between routine care versus patient decision aid groups and shared decision making, patient knowledge, and making an informed, patient-centered decisiona

From: Patient decision aid for trial of labor after cesarean (TOLAC) versus planned repeat cesarean delivery: a quasi-experimental pre-post study

Study outcomes:

Unadjusted analysis

Adjusted analysisb

Shared Decision Making Process (SDMP) score

 β-coefficient, 95% CIc

0.15 (−0.25 to 0.56)

−0.02 (−0.45 to 0.41)

Patient knowledge score ≥ 75%

 Odds Ratio, 95% CIc

5.46 (2.31 to 12.87)

6.15 (2.34 to 16.14)

Informed, patient-centered (IPC) decision

 Odds Ratio, 95% CIc

4.15 (1.68 to 10.22)

3.30 (1.20 to 9.04)

  1. aFinal N for Shared Decision Making Process analysis = 99, patient knowledge = 100, and informed, patient-centered decision on delivery admission = 89
  2. bModels adjusted for prenatal care site and gestational age at time of study enrollment
  3. cThe model for shared decision making process was developed with linear regression; and the models for patient knowledge and an informed, patient-centered decision were developed using logistic regression