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. 2010 Nov 11;10:24. doi: 10.1186/1472-6831-10-24

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.