Table 4.

Multivariable logistic regressions in identifying associations between different habits and malocclusion.

Characteristics	Malocclusion (ref = Normal)
	Class I		Class II		Class III
	OR	95%Confidence interval	OR	95%Confidence interval	OR	95%Confidence interval
Finger sucking (No vs. Yes)	3.28*	1.07–10.10	3.22*	1.13–9.16	2.16	0.54–8.68
Lip biting (No vs. Yes)	1.91	0.38–9.63	4.37*	1.19–16.00	6.83*	1.64–28.42
Tongue thrusting (No vs. Yes)	5.25*	1.03–26.71	6.42*	1.40–29.41	4.5	0.72–28.05
Mouth breathing (No vs. Yes)	2.42	0.81–7.19	2.71*	1.02–7.21	2.04	0.55–7.54
Early loss of deciduous teeth (No vs. Yes)	1.62	0.60–4.34	1.53	0.63–3.72	3.83*	1.48–9.94

These models were adjusted to age, gender, and living location.