Table 3.

Main effects and interaction for gender and ethnicity within age groups and flow rate types on the number of teeth with coronal or root caries

Age Group (years)	Caries	Glandular Flow Rate Type*	Main Effect				Gender/Ethnicity Interaction
			Gender		Ethnicity
			β	p<	β	p<	β	p<
36-49	Coronal	SP	-0.27	NS	-0.30	NS	-0.27	NS
		UP	-0.20	NS	-0.06	NS	-0.45	NS
		SS	-0.12	NS	-0.19	NS	-0.35	NS
		US	-0.12	NS	-0.18	NS	-0.37	NS
50-59		SP	-0.64	0.01	-0.84	0.01	0.68	NS
		UP	-0.66	0.01	-0.80	0.02	0.67	NS
		SS	-0.64	0.01	-0.79	0.02	0.66	NS
		US	-0.66	0.008	-0.83	0.01	0.71	NS
60-69		SP	-0.59	0.02	-1.04	0.001	0.45	NS
		UP	-0.65	0.01	-1.02	0.001	0.47	NS
		SS	-0.63	0.02	-1.04	0.001	0.44	NS
		US	-0.69	0.01	-1.10	0.001	0,55	NS
70-79		SP	-0.13	NS	-0.10	NS	-0.18	NS
		UP	-0.24	NS	-0.17	NS	-0.02	NS
		SS	-0.14	NS	-0.18	NS	-0.13	NS
		US	-0.18	NS	-0.13	NS	-0.11	NS
36-49	Root	SP	-0.34	NS	-0.02	NS	-0.06	NS
		UP	-0.50	NS	0.13	NS	-0.20	NS
		SS	-0.42	NS	-0.15	NS	0.09	NS
		US	-0.45	NS	-0.12	NS	0.04	NS
50-59		SP	-0.56	NS	-0.89	NS	1.31	NS
		UP	-0.58	NS	-1.05	NS	1.40	0.04
		SS	-0.59	NS	-1.04	NS	1.42	0.04
		US	-0.68	NS	-1.05	0.05	1.52	0.03
60-69		SP	-0.50	NS	-1.16	0.001	0.26	NS
		UP	-0.55	0.05	-1.10	0.001	0.25	NS
		SS	-0.56	0.05	-1.15	0.001	0.29	NS
		US	-0.66	0.02	-1.24	0.001	0.42	NS
70-79		SP	-0.07	NS	0.95	0.01	-0.82	NS
		UP	-0.19	NS	0.89	0.01	-0.74	NS
		SS	0.00	NS	0.92	0.01	-0.91	NS
		US	-0.20	NS	0.91	0.01	-0.85	NS