Table 3 Logistic regression model predicting likelihood of the stability of the orthodontic treatment

Intercuspid width

−0.114

0.409

0.077

1

0.781

0.892

0.400

1.990

Interpremolar width

0.215

0.286

0.566

1

0.452

1.240

0.708

2.173

Intermolar width

0.035

0.308

0.013

1

0.911

1.035

0.566

1.892

Arch perimeter

−0.197

0.156

1.586

1

0.208

0.821

0.605

1.116

Arch length

−0.096

0.211

0.206

1

0.650

0.909

0.600

1.375

Crowding

1.277

0.586

4.747

1

0.029

3.585

1.137

11.306

U1/PP

0.120

0.094

1.650

1

0.199

1.128

0.939

1.355

Gender

0.931

1.007

0.856

1

0.355

2.538

0.353

18.258

Constant

−0.160

14.947

0.000

1

0.991

0.852