Table 5.

Parameter Estimates from Chosen Representation Method in Iowa Fluoride Study Predicting Caries Clusters (n = 344)

Variable*	Cluster	Odds ratio	95% CI	P-value
100x% juice	1	1.00	–	0.004
	2	0.90	0.80, 1.01
	3	0.78	0.68, 0.91
Milk	1	1.00	–	0.267
	2	0.97	0.94, 1.01
	3	0.98	0.95, 1.02
Sugar-sweetened beverages	1	1.00	–	0.355
	2	1.02	0.98, 1.06
	3	1.03	0.99, 1.07
Water and other sugar-free beverages	1	1.00	–	0.067
	2	0.98	0.95, 1.01
	3	0.97	0.94, 1.00

^*Beverage intake variables (total oz/day) were averaged from questionnaires between 9.0 and 17.0 years of age.