Association of breastfeeding and three-dimensional dental arch relationships in primary dentition

BMC Oral Health

Table 2 Association between the duration of breastfeeding and incisal relationship in primary dentition

	Crude model					Adjusted model^a
Variables	P-value	Class II incisor vs Class I incisor		Class III incisor vs Class I incisor		P-value	Class II incisor vs Class I incisor		Class III incisor vs Class I incisor
		OR	95% CI	OR	95% CI		OR	95% CI	OR	95% CI
Duration of breastfeeding	0.022*					0.013*
>6 months		0.700	0.479-1.024	1.058	0.629-1.781		0.650	0.438-0.966	1.053	0.604-1.836
0-6 months		0.480	0.302-0.764	1.114	0.630-1.970		0.452	0.277-0.739	1.200	0.657-2.192
Never		1	-	1	-		1	-	1	-

OR, odds ratio; CI, confidence interval.
^aAdjusted for background information (age and gender) and related non-nutritive sucking habits (thumb sucking and pacifier use).
*P < 0.05.
Boldface data are variables with P<0.05 or OR (95%CI) <1.

ISSN: 1472-6831