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Table 4 Odds ratio and corresponding 95% confidence intervals from a multinomial logistic regression for instrumental delivery, emergency CS and elective CS compared to vaginal delivery, adjusted for all variables presented in the table

From: Obstetric outcomes for nulliparous women who received routine individualized treatment for severe fear of childbirth - a retrospective case control study

    OR (95% CI) p
Instrumental delivery BMI <25 0.78 (0.28-2.18) 0.635
   25-29.9 1.02 (0.33-3.12) 0.976
   ≥30 Reference  
  Group Index 0.94 (0.47-1.87) 0.852
   Reference Reference  
  Age <25 0.44 (0.16-1.24) 0.121
   25-34 0.88 (0.39-1.95) 0.465
   ≥35 Reference  
  Smoking No 0.88 (0.39-1.95) 0.744
   Yes Reference  
  Complications during pregnancy No 2.17 (0.78-6.05) 0.137
   Yes Reference  
Emergency CS BMI <25 0.56 (0.21-1.47) 0.242
   25-29.9 0.90 (0.31-2.67) 0.855
   ≥30 Reference  
  Group Index 1.44 (0.67-3.09) 0.346
   Reference Reference  
  Age <25 0.49 (0.16-1.49) 0.208
   25-34 0.74 (0.32-1.73) 0.490
   ≥35 Reference  
  Smoking No 0.80 (0.32-2.01) 0.638
   Yes Reference  
  Complications during pregnancy No 0.15 (0.07-0.32) <0.001
   Yes Reference  
Elective CS BMI <25 1.54 (0.39-3.10) 0.540
   25-29.9 0.92 (0.17-4.99) 0.924
   ≥30 Reference  
  Group Index 12.16 (4.43-33.34) <0.001
   Reference Reference  
  Age <25 0.65 (0.16-2.73) 0.559
   25-34 0.72 (0.22-2.34) 0.584
   ≥35 Reference  
  Smoking No 1.06 (0.35-3.19) 0.915
   Yes Reference  
  Complications during pregnancy No 0.18 (0.07-0.46) <0.001
   Yes Reference  
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