Predictor variable

B

S.E.

Wald

p

exp(B)

95% CI of exp(B)

L. L.

U. L.

Sufficient oral health education

Regular scaling before pregnancy

Multipara

(Constant)

1.110

0.987

0.564

−2.494

0.551

0.502

0.456

0.584

4.05

3.86

1.53

18.22

0.044

0.049

0.215

<0.001

3.03

2.68

1.76

0.08

1.03

1.00

0.72

8.94

7.18

4.29