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Table 3 Distribution of lambdas coefficients recorded for internal variables in each extreme profile of obstetric intervention patterns observed in hospitals in Belo Horizonte City, Minas Gerais State, Brazil

From: Coexistence and prevalence of obstetric interventions: an analysis based on the grade of membership

Obstetric Interventions n (%) Profile 1 (λ1jl) Profile 2 (λ2jl) Profile 1(E/O ratio) Profile 2(E/O ratio)
Useful practices that should be encouraged
Providing food to parturient women
  Yes 185(31.463) 0.552 0.000 1.754 0.000
  No 375(63.776) 0.448 0.888 0.703 1.392
  Non-informed 28(4.762) 0.000 1.124 0.000 2.360
Allowing parturient women to have freedom to move
  Yes 353(60.03) 1.000 0.000 1.666 0.000
  No 78(13.265) 0.000 0.324 0.000 2.443
  Non-informed 157(26.70) 0.000 0.676 0.000 2.532
Use of Partogram
  Yes 377(64.12) 0.795 0.432 1.239 0.674
  o 211(35.88) 0.206 0.568 0.573 1.583
Adopting Non-Pharmacological Methods (NPM) for pain relief
  Yes 329(55.952) 1.000 0.000 1.787 0.000
  No 234(39.796) 0.000 0.900 0.000 2.261
  Non-informed 25(4.252) 0.000 0.100 0.000 2.354
Harmful or ineffective practices that must be eliminated
Enema
  No 583(99.150) 1.000 0.980 1.009 0.988
  Yes 5(0.50) 0.000 0.020 0.000 2.352
Perineal shaving
  No 583(99.150) 1.000 0.980 1.009 0.988
  Yes 5(0.850) 0.000 0.020 0.000 2.352
Lying parturient women on their back with legs up” - position during delivery
  No 474(80.612) 0.753 0.876 0.936 1.087
  Yes 83(14.116) 0.247 0.000 1.747 0.000
  Non-informed 31(5.272) 0.000 0.124 0.000 2.354
Kristeller maneuver
  No 357(60.714) 1.000 0.000 1.647 0.000
  Yes 196(33.33) 0.000 0.857 0.000 2.572
  Non-informed 35(5.952) 0.000 0.143 0.000 2.397
Practices inappropriately used at labor and delivery time
Amniotomy
  No 255(43.367) 0.524 0.310 1.207 0.715
  Yes 121(20.578) 0.185 0.235 0.898 1.141
  Non-informed 212(36.054) 0.292 0.445 0.809 1.263
Oxytocin infusion
  No 298(50.680) 0.579 0.401 1.143 0.809
  Yes 290(49.320) 0.421 0.590 0.853 1.197
Analgesia
  No 422(71.769) 1.000 0.338 1.393 0.471
  Yes 166(28.23)1 0.000 0.662 0.00 2.346
Episiotomy
  No 420(71.429) 1.200 0.351 1.400 0.491
  Yes 152(25.850) 0.000 0.585 0.000 2.264
  Non-informed 16(2.721) 0.000 0.064 0.000 2.356
  1. Notes: AIC values based on models with two, three, four, five and six profiles were: 10,114; 10,412; 11,000; 11,000 and 12,0000 / λ1jl = lambdas