Table 5.

Results of multiple logistic regression analysis between the grandparent’s SOC score and the child’s daily frequency of sugary snack intake (n = 119)

Variables	Frequency of sugary snack intake
	(<once/day vs. ≥ once/day)*
	Adjusted OR	P-value
	(95% CI)
Grandparent’s SOC score (per 10 units)	0.61 (0.50-0.73)	0.01
Single child
Yes
No	-	-
Grandparent’s frequency of sugary snack intake
<once/day	1
≥once/day	2.53 (1.08-5.95)	0.033
Grandparent’s oral health knowledge score	-	-
Grandparent’s oral health attitude score	-	-

* in the multiple logistic regression analysis, “<once/day” was set as the reference category.