A case-control study of determinants for high and low dental caries prevalence in Nevada youth

BMC Oral Health

Table 1 Control- and case Group Demographics and Mean D and DMFT Scores of the Case Group

Variable	Control Group	Case Group	D-Score†	Test Statistic	DMFT†	Test Statistic
	N	N	Mean (SE)	D-Score	Mean (SE)	DMFT
Sex
Male	1086	953	2.84 (0.10)	1.41	6.36 (0.14)	11.222**
Female	959	1171	3.04 (0.09)		7.01 (0.04)
Age‡
12-15	1654	1346	2.77 (0.08)	3.06*	6.66 (0.09)	31.250**
16-19	388	781	3.21 (0.12)		7.45 (0.07)
Dental Insurance
Insured	1176	1353	2.14 (0.8)	15.18**	6.87 (0.07)	19.89**
Not Insured	383	678	4.79 (0.12)		8.03 (0.06)
Race Group‡
White, Non-Hispanic	1296	842	2.19 (0.10)±	10.13**	6.86 (0.08)	13.89**
Black, Non-Hispanic	173	278	2.99 (0.12)		6.68 (0.12)
Hispanic	573	1007	3.16 (0.11)		7.14 (0.10)
Fluoridation
Fluoridation	1324	580	1.72 (0.07)	15.55**	6.43 (0.08)	14.20**
Without Fluoridation	721	1544	3.78 (0.09)		7.30 (0.07)
Second Hand Smoke
Exposed	565	871	3.52 (0.11)	7.13*	7.23 (0.06)	6.09*
Non-exposed	1470	1244	2.03 (0.09)		6.74 (0.10)
Smoking Status
Currently Smoke	215	372	3.53 (0.14)	5.03*	7.43 (0.12)	23.65**
Currently do not Smoke	1177	1204	2.60 (0.09)		6.33 (0.05)
Applied Sealants
No Sealants	752	1153	3.63 (0.10)	11.29**	7.36 (0.12)	7.69*
Sealants	1290	974	2.11 (0.08)		6.45 (0.14)

Note: *p < 0.05; ** p < 0.01; †D-Score and DMFT Scores computed on the 30% with the highest DMFT Scores; ‡ Groups as Defined in NHANES, 2007;
± Bonferroni post hoc results indicate differences between this group and the other 2 groups.

ISSN: 1472-6831