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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