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. Author manuscript; available in PMC: 2021 Mar 29.
Published in final edited form as: J Am Dent Assoc. 2021 Jan;152(1):55–64. doi: 10.1016/j.adaj.2020.09.019

Table 1.

Prevalence and severity of untreated caries among US adults aged 20 through 64 years, by select characteristics.*

CHARACTERISTIC PREVALENCE CARIOUS TEETH AMONG ADULTS WITH UNTREATED CARIES

Sample Size, No. 1–3 Teeth With Untreated Caries, % (SE) ≥ 4 Teeth With Untreated Caries,§ % (SE) P Value Sample Size, No. Affected Teeth, Mean No. (SE)
Total 10,286 17.8 (0.8) 7.2 (0.4) # 3,091 3.13 (0.08)
Age, y < .001
20–34 3,593 18.7 (1.0) 9.4 (0.6) 1,153 3.44 (0.13)
35–49 3,432 18.4 (1.2) 7.4 (0.6) 1,037 3.20 (0.14)
50–64 3,261 16.2 (1.1) 4.6 (0.5) 901 2.58 (0.11)
Sex .003
Male 4,945 18.9 (1.0) 8.1 (0.5) 1,579 3.38 (0.12)
Female 5,341 16.7 (1.0) 6.4 (0.4) 1,512 2.86 (0.10)
Race or Ethnicity** < .001
White, non-Hispanic 3,731 14.8 (0.9) 6.4 (0.4) 1,030 3.33 (0.11)
Black, non-Hispanic 2,381 28.6 (1.5) 11.5 (1.1) 960 2.95 (0.10)
Asian, non-Hispanic 1,330 12.0 (1.1) 2.8 (0.7) 197 2.49 (0.20)
Hispanic 2,478 23.5 (1.3) 8.7 (0.7) 784 2.87 (0.15)
Education Level < .001
< High school 1,833 29.8 (1.1) 16.4 (1.2) 823 3.48 (0.16)
High school or equivalent 2,207 24.3 (1.3) 11.2 (0.9) 853 3.35 (0.13)
> High school 6,246 13.6 (0.8) 4.3 (0.3) 1,415 2.84 (0.09)
Income < .001
< 200% federal poverty guidelines 4,868 26.2 (1.0) 13.2 (0.8) 2,023 3.44 (0.12)
≥ 200% federal poverty guidelines 5,418 13.2 (0.8) 3.9 (0.4) 1,068 2.75 (0.11)
Health Insurance Coverage < .001
Private coverage 5,538 13.3 (0.8) 4.5 (0.4) 1,178 2.90 (0.09)
Public or other coverage 2,230 20.5 (1.6) 9.2 (0.8) 797 3.23 (0.13)
No coverage of any type 2,518 29.4 (1.4) 13.9 (1.0) 1,116 3.37 (0.17)
General Health (Self-Report) < .001
Excellent, very good, good 8,204 16.5 (0.8) 6.2 (0.4) 2,260 3.07 (0.08)
Fair, poor 2,082 24.7 (1.4) 12.7 (0.9) 831 3.33 (0.12)
Smoking Status < .001
Current smoker 2,231 26.8 (1.3) 16.1 (1.2) 1,043 3.78 (0.16)
Former smoker 1,905 17.8 (1.3) 5.4 (0.6) 531 268 (0.12)
Never 6,150 14.7 (0.9) 4.7 (0.4) 1,517 2.83 (0.10)
Report Unmet Need < .001
Yes 2,548 32.4 (1.3) 18.7 (1.1) 1,338 3.70 (0.14)
No 7,738 14.1 (0.8) 4.3 (0.3) 1,753 2.74 (0.07)
Untreated Caries Severity
0 teeth with untreated caries 7,195
1–3 teeth 2,175 2,175 1.66 (0.02)
≥ 4 teeth 916 916 6.76 (0.14)
*

Source: Centers for Disease Control and Prevention, National Center for Health Statistics.12

Mild to moderate untreated caries.

SE: Standard error.

§

Severe untreated caries.

Significant at P < .05 by χ2 test.

#

–: Not applicable.

**

366 respondents in the “other (including multiracial)” Race/Ethnicity category were excluded from the study.