Table 9. Percentage of Children Aged 6–11 Years with Dental Caries in Permanent Teeth

Oral Health Surveillance Report

Table 9. Prevalence of dental caries in permanent teeth (DMFT ≥1)a among children aged 6–11 years, by selected characteristics, United States, National Health and Nutrition Examination Survey, 1999–2004 and 2011–2016

Characteristic
1999-2004
2011-2016
Change %b
%
SE
%
SE
Total
21.2
0.93
17.4
0.94
-3.8*
Age (years)
6–8c
10.4
1.07
9.6
0.91
-0.8
9–11
31.4
1.48
24.7*
1.32
-6.7*
Sex
Malec
19.5
1.23
15.6
1.16
-4.0*
Female
22.9
1.31
19.0*
1.33
-3.9*
Race and ethnicity
White, non-Hispanicc
18.8
1.44
13.4
1.14
-5.4*
Black, non-Hispanic
19.1
1.52
21.6*
1.64
2.5
Mexican American
30.8
1.99
24.5*
2.44
-6.4*
Poverty status
<100%FPL
28.4
2.28
24.6*
1.91
-3.8
100%–199% FPL
24.1
2.14
19.3*
1.67
-4.8
≥200% FPLc
16.5
1.37
12.0
1.10
-4.4*
Poverty status
<200% FPL
25.9
1.49
22.0*
1.34
-3.9
≥200% FPLc
16.5
1.37
12.0
1.10
-4.4*

Note: All estimates are adjusted by age (single years) to U.S. 2000 standard population. SE = standard error. FPL = federal poverty level; <100% FPL = poor; 100%–199% FPL = near-poor; <200% FPL = poor and near-poor combined; and ≥200% FPL = not-poor.

*P <0.05 based on t-test for differences between two periods or two groups within each characteristic.

Defined as having one or more untreated decayed, missing or filled primary teeth among children with at least one permanent tooth.
Change in percentage points from 1999–2004 to 2011-2016. Positive value=increase and negative value=decrease.
c Reference group for comparisons within each characteristic, 2011–2016.