Table 4.

Number of children with satisfactory masticatory functions according to duration of breastfeeding

Variable	BF [n (%)]		PR(95%CI)
	< 12 mo(n = 78)	≥ 12 mo(n = 66)
Incision	26 (33.3)	37 (56.1)	1.68 (1.15 to 2.46)
Lip competence	44 (56.4)	49 (74.2)	1.32 (1.03 to 1.68)
Masticatory patterns	2 (2.6)	14 (21.2)	8.27 (1.95 to 35.1)
Masticatory movements	6 (7.7)	31 (47.0)	6.11 (2.72 to 13.7)
Perioral muscle use	29 (37.2)	45 (68.2)	1.83 (1.32 to 2.56)

BF, breastfeeding; 95%CI, confidence interval; PR, prevalence ratio.