Inequalities of caries experience in Nevada youth expressed by DMFT index vs. Significant Caries Index (SiC) over time

Table 1 Study population decription

Variable	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8
	2001-2002		2002-2003		2003-2004		2004-2005		2005-2006		2006-2007		2007-2008		2008-2009
	N-value	%	N-value	%	N-value	%	N-value	%	N-value	%	N-value	%	N-value	%	N-value	%
Total	9471	100.0	7488	100.0	10,915	100.0	6590	100.0	8438	100.0	6568	100.0	6868	100.0	6379	100.0
Age
13-15	4880	51.5	5184	69.2	7428	68.1	4850	73.6	5971	70.8	4662	70.9	4684	68.2	4681	73.4
16-19	4591	49.5	2304	30.8	3487	31.9	1740	26.4	2467	29.2	1906	29.1	2184	31.8	1698	26.6
Sex
Male	4710	49,7	3588	47.9	5370	49.2	3047	46.2	4132	49.0	3169	48.2	3329	48.5	3166	49.6
Female	4761	50.3	3900	52.1	5539	50.8	3543	53.8	4306	51.0	3385	51.6	3539	51.5	3213	50.4
Race
White, NH	6825	72.1	4755	63.5	6322	57.9	3699	56.1	4187	49.6	3663	55.8	3731	54.3	3454	54.1
Black, NH	658	6.9	665	8.9	1032	9.5	621	9.4	763	9.0	552	8.4	556	8.1	668	10.5
Hispanic	1988	21.0	2068	27.6	3561	32.6	3063	46.5	3488	41.4	2353	35.8	2581	37.6	2257	35.4
Fluoridation
Clark County	3218	33.9	2121	28.3	5472	50.1	1670	25.4	4290	50.8	2762	42.1	2985	43.5	3042	47.7
All others	6253	66.1	5367	71.7	5443	49.9	4918	74.6	4148	49.2	3806	57.9	3883	56.5	3337	52.3
Insurance
Insured	N/A		5049	67.4	7357	67.4	4322	65.6	5743	68.1	4554	69.4	4454	64.8	3897	61.1
Non-insured	N/A		2439	32.6	3558	32.6	2268	34.4	2695	31.9	2004	30.6	2414	35.2	2482	38.9

Demographic breakdown of selected variables of study population of Nevada adolescents by year of survey.

ISSN: 1472-6831