Table 6.
Calibration model of self-reported oral health score to summarized clinical oral health score by multiple regression using subject’s general health and characteristics as covariates
| Measure | Calibration Coefficient | Adjusted | ||
|---|---|---|---|---|
| Pr > |t| | CI | 95% | ||
| Intercept | 26.24 | <.0001 | 16.04 | 36.43 |
| Summarized Self-Reported Oral Health | 0.32 | <.0001 | 0.22 | 0.42 |
| General Health (Reference category: Poor) | ||||
| Fair | 2.80 | 0.2486 | -2.07 | 7.68 |
| Good | 3.02 | 0.2109 | -1.81 | 7.84 |
| Very good | 6.70 | 0.0152 | 1.39 | 12.01 |
| Excellent | 7.32 | 0.0121 | 1.73 | 12.92 |
| Number of Times Received Health Care (Reference category: None) | ||||
| 1–3 | 4.74 | 0.0040 | 1.64 | 7.84 |
| 4–9 | 6.24 | 0.0001 | 3.40 | 9.08 |
| ≥10 | 6.41 | 0.0012 | 2.75 | 10.07 |
| Gender (Reference category:Male) | ||||
| Female | 5.91 | <.0001 | 4.18 | 7.65 |
| Age | 0.01 | 0.7204 | -0.05 | 0.07 |
| Education (Reference category: < High School) | ||||
| High School/GED | 6.39 | <.0001 | 3.91 | 8.86 |
| >High School | 10.21 | <.0001 | 7.97 | 12.44 |
| Income (Reference category: < $20K) | ||||
| $20,000 to $44,999 | 4.10 | 0.0009 | 1.84 | 6.36 |
| $45,000 to $74,999 | 7.22 | <.0001 | 4.21 | 10.23 |
| ≥$75,000 | 12.55 | <.0001 | 10.50 | 14.60 |
Note: Calibration model was selected by the best adjusted R2, which is 0.21.