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Table 4 Stepwise logistic regression analyses of teeth in both jaws and single jaw for age group 18 to 39 years, 40 to 60 years, and overall 18 to 60 years

From: Univariate and multivariate sex dimorphism in the diverse age group of the South Indian dentition using the polyvinyl siloxane elastomeric impression material

Tooth variable

B

S.E.

Wald statistic

df

Sig.

Exp(B)

Age group 18 to 39 years (N= 100 pairs of dental cast)

Both jaws

MD13

− 5.997

1.844

10.574

1

.001

.002

BL13

3.896

1.196

10.605

1

.001

49.205

MD14

4.748

1.349

12.389

1

.000

115.401

MD21

2.175

.853

6.500

1

.011

8.798

BL23

1.965

1.015

3.746

1

.053

7.132

BL24

2.124

1.049

4.102

1

.043

8.366

BL37

1.366

.559

5.973

1

.015

3.920

BL44

3.589

1.464

6.012

1

.014

36.211

BL45

− 5.103

1.369

13.897

1

.000

.006

Constant

− 63.493

15.363

17.080

1

.000

.000

Maxillary teeth

MD11

1.397

.692

4.074

1

.044

4.043

MD13

− 2.161

.896

5.816

1

.016

.115

BL13

1.595

.611

6.819

1

.009

4.928

MD14

1.922

.708

7.369

1

.007

6.836

BL23

1.745

.602

8.402

1

.004

5.725

Constant

− 31.700

7.608

17.363

1

.000

.000

Mandibular teeth

BL33

1.128

.346

10.652

1

.001

3.089

BL44

1.815

.511

12.620

1

.000

6.139

Constant

− 20.187

4.361

21.428

1

.000

.000

Age group 40 to 60 years (N= 100 pairs of dental cast)

Both jaws

BL13

1.775

.485

13.395

1

.000

5.900

MD15

− 2.044

.690

8.766

1

.003

.130

BL31

2.390

.779

9.405

1

.002

10.915

MD37

1.013

.448

5.105

1

.024

2.754

Constant

− 21.804

5.164

17.829

1

.000

.000

Maxillary teeth

MD12

2.325

.873

7.098

1

.008

10.232

BL13

2.774

.647

18.403

1

.000

16.018

BL14

1.983

.830

5.707

1

.017

7.266

MD15

− 2.365

.797

8.808

1

.003

.094

BL16

1.855

.810

5.240

1

.022

6.391

MD22

− 1.929

.885

4.744

1

.029

.145

BL24

− 1.899

.982

3.738

1

.053

.150

Constant

− 27.167

7.729

12.356

1

.000

.000

Mandibular teeth

BL31

2.509

.684

13.465

1

.000

12.286

MD32

1.315

.579

5.153

1

.023

3.724

MD35

− 1.505

.555

7.353

1

.007

.222

BL35

1.032

.510

4.101

1

.043

2.807

Constant

− 18.500

4.117

20.193

1

.000

.000

Overall age group 18 to 60 years (N= 200 pairs of dental cast)

Both jaws

MD11

1.049

.363

8.349

1

.004

2.856

BL13

1.279

.310

17.043

1

.000

3.591

BL23

.878

.273

10.337

1

.001

2.407

BL27

.389

.189

4.237

1

.040

1.476

Constant

− 27.126

4.221

41.303

1

.000

.000

Maxillary teeth

MD11

1.049

.363

8.349

1

.004

2.856

BL13

1.279

.310

17.043

1

.000

3.591

BL23

.878

.273

10.337

1

.001

2.407

BL27

.389

.189

4.237

1

.040

1.476

Constant

− 27.126

4.221

41.303

1

.000

.000

Mandibular teeth

BL33

.593

.293

4.106

1

.043

1.810

BL36

.508

.249

4.156

1

.041

1.662

MD43

.996

.349

8.167

1

.004

2.708

BL43

.562

.309

3.299

1

.069

1.754

Constant

− 18.400

3.104

35.135

1

.000

.000