Table 3.

Comparison of caries experience of extreme groups: 4th- and 6th-graders with a sugar index <10th per centile and >90th percentile

	d5–6mft	d3–6mft	d3–6fs	D5–6MFT	D3–6MFT	D3–6FS
4th-graders
<10th percentile	0.9	1.51	1.79	0.4	0.86	0.94
>90th percentile	1.66	2.78	3.82	0.6	1.43	1.7
p value	0.003	<0.001	0.001	0.131	<0.01	0.009
6th-graders
<10th percentile				0.81	1.54	1.75
>90th percentile				0.89	1.99	2.14
p value				0.26	0.054	0.069