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Table 8 Multivariable logistic regression model for satisfaction

From: Educational video-assisted versus conventional informed consent for trauma-related debridement surgery: a parallel group randomized controlled trial

  I can comprehend the information that the health care providers supplied for the surgery The information that the health care providers supplied will help me make decisions for the surgery I am satisfied with the informed consent process for the surgery
  Odds ratio 95% CI Odds ratio 95% CI Odds ratio 95% CI
Intervention group (reference group = control group) 3.299*** 1.614–6.746 3.246** 1.567–6.727 3.702*** 1.747–7.843
Age (reference group = age < 36) 0.703 0.326–1.515 0.379* 0.175–0.822 0.371* 0.168–0.821
Sex (reference group = female) 0.552 0.260–1.175 0.770 0.359–1.653 0.578 0.264–1.264
Education (reference group = <high school) 1.243 0.412–3.752 1.230 0.414–3.654 1.119 0.379–3.303
Injury severity score (ISS) (reference group = ISS4) 0.654 0.268–1.595 0.849 0.353–2.039 1.031 0.421–2.523
Transferred (reference group = non-transferred) 1.307 0.578–2.955 0.883 0.383–2.036 0.669 0.287–1.563
Arrived time (reference group = other) 1.222 0.582–2.568 0.972 0.459–2.058 0.923 0.430–1.981
Physician (reference group = physician A) 0.733 0.313–1.715 0.904 0.381–2.145 0.938 0.387–2.273
Baseline knowledge score (BKS) (reference group = BKS < 60) 0.965 0.453–2.057 1.195 0.557–2.567 1.134 0.520–2.473
Likelihood ratio test for model χ2 = 19.41; P = 0.022 χ2 = 22.13; P = 0.009 χ2 = 24.83; P = 0.003
  1. *p < 0.05; **p < 0.01; ***p < 0.001. Sample size of regression model = 142