Table 3.
Risk ratio and risk difference in reporting unmet oral health care need obtained from multivariable logistic regression, US adults aged 20–64 years.*
| CHARACTERISTIC | RISK, % (STANDARD ERROR) | RISK RATIO, % (95% CONFIDENCE INTERVAL) | RISK DIFFERENCE, % (95% CONFIDENCE INTERVAL) | P VALUE† FOR RISK DIFFERENCE |
|---|---|---|---|---|
| Combined Effect of Income and Untreated Caries Severity | ||||
| 0 teeth with untreated caries | ||||
| < 200% FPG‡ | 22.0 (1.1) | 2.20 (1.88 to 2.58) | 12.0 (9.6 to14.4) | < .001 |
| ≥ 200% FPG [Reference] | 10.0 (0.6) | |||
| 1–3 teeth with untreated caries§ | ||||
| < 200% FPG | 35.7 (1.5) | 1.41 (1.16 to 1.71) | 10.3 (5.0 to 15.6) | < .001 |
| ≥ 200% FPG [Reference] | 25.4 (2.1) | |||
| ≥ 4 teeth with untreated caries¶ | ||||
| <200% FPG | 45.1 (2.5) | 1.18 (0.97 to 1.45) | 7.0 (−1.0 to 15.0) | .092 |
| ≥ 200% FPG [Reference] | 38.1 (3.2) | |||
| Age, y | ||||
| 20–34 | 20.3 (0.7) | 1.01 (0.89 to 1.14) | 0.1 (−0.3 to 0.8) | .929 |
| 35–49 | 19.5 (1.0) | 0.97 (0.84 to 1.11) | −0.7 (−1.1 to −0.3) | .625 |
| 50–64 [Reference] | 20.2 (1.1) | |||
| Sex | ||||
| Male [Reference] | 18.2 (0.8) | |||
| Female | 21.9 (1.0) | 1.21 (1.09 to 1.33) | 3.7 (3.4 to 3.9) | < .001 |
| Race or Ethnicity# | ||||
| White, non-Hispanic [Reference] | 19.3 (0.8) | |||
| Black, non-Hispanic | 21.4 (0.7) | 1.10 (0.99 to 1.23) | 2.0 (0.0 to 4.0) | .058 |
| Asian, non-Hispanic | 15.4 (1.0) | 0.80 (0.69 to 0.91) | −3.9 (−6.3 to −1.5) | .001 |
| Hispanic | 22.0 (1.2) | 1.14 (0.99 to 1.29) | 2.7 (−1.1 to 5.3) | .061 |
| Education level | ||||
| < High school | 20.2 (1.2) | 1.00 (0.89 to 1.12) | 0 (−2.4 to 2.4) | .998 |
| High school or equivalent | 19.5 (1.0) | 0.96 (0.87 to 1.07) | −0.7 (−2.9 to 1.5) | .498 |
| ≥ High school [Reference] | 20.2 (0.8) | |||
| Health Insurance Coverage | ||||
| Private coverage [Reference] | 14.4 (0.6) | |||
| Public or other coverage | 21.3 (1.2) | 1.48 (1.31 to 1.67) | 6.9 (4.5 to 9.3) | < .001 |
| No coverage of any type | 30.7 (1.1) | 2.13 (1.91 to 2.38) | 16.3 (13.9 to 18.7) | < .001 |
| Self-Reported General Health | ||||
| Excellent, very good, good [Reference] | 18.8 (0.7) | |||
| Fair, poor | 24.9 (1.1) | 1.33 (1.20 to 1.46) | 6.1 (3.9 to 8.3) | < .001 |
| Smoking Status | ||||
| Never [Reference] | 17.0 (0.7) | |||
| Current smoker | 24.4 (1.3) | 1.44 (1.29 to 1.62) | 7.4 (4.9 to 9.9) | < .001 |
| Former smoker | 22.7 (1.2) | 1.34 (1.20 to 1.49) | 5.7 (3.5 to 7.9) | < .001 |
*
Source: Centers for Disease Control and Prevention, National Center for Health Statistics.12
†
Significant at P < .05.
‡
FPG: Federal poverty guidelines.
§
Mild to moderate untreated caries.
¶
Severe untreated caries.
#
366 respondents in the Race or Ethnicity category were excluded from the study.