TABLE 3.
Regression Analysis Modeling the Risk of New Dental Decay
| Length of time between appt. 1 and 2 | IRR 1.0016 |
Std. Err. 0.0003 |
z 5.8300 |
P-value <0.0001 |
95% Conf. Int. | |
|---|---|---|---|---|---|---|
| 1.0011 | 1.0021 | |||||
| Caries risk status (by number of exams) | ||||||
| Low | – | – | – | – | – | – |
| Elevated | 2.2119 | 0.8853 | 1.9800 | 0.0470 | 1.0094 | 4.8468 |
| Age at time 1 | 1.1096 | 0.0210 | 5.4800 | <0.0001 | 1.0691 | 1.1515 |
| Gender | ||||||
| Male | – | – | – | – | – | – |
| Female | 1.2643 | 0.1107 | 2.6800 | 0.0070 | 1.0650 | 1.5010 |
| Race/ethnicity | ||||||
| White | – | – | – | – | – | – |
| Asian | 0.7642 | 0.1251 | −1.6400 | 0.1010 | 0.5545 | 1.0534 |
| African American/Black | 1.4218 | 0.2233 | 2.2400 | 0.0250 | 1.0451 | 1.9343 |
| Hispanic | 1.0123 | 0.1425 | 0.0900 | 0.9310 | 0.7681 | 1.3340 |
| Other | 1.1438 | 0.2586 | 0.5900 | 0.5520 | 0.7344 | 1.7815 |
| More than one race selected | 0.6772 | 0.1530 | −1.7300 | 0.0840 | 0.4350 | 1.0545 |
| Primary language spoken at home | ||||||
| English | – | – | – | – | – | – |
| Spanish | 0.9190 | 0.1119 | −0.6900 | 0.4880 | 0.7239 | 1.1666 |
| Other | 1.4370 | 0.2640 | 1.9700 | 0.0480 | 1.0026 | 2.0597 |
| Rural urban status | ||||||
| Urban | – | – | – | – | – | – |
| Rural | 0.9436 | 0.1630 | −0.3400 | 0.7370 | 0.6726 | 1.3237 |
| Number of eligible teeth W/O sealant | ||||||
| No | – | – | – | – | – | – |
| Yes | 1.6957 | 0.4287 | 2.0900 | 0.0370 | 1.0331 | 2.7832 |
| Number of eligible teeth with sealant | ||||||
| No | – | – | – | – | – | – |
| Yes | 0.5487 | 0.0093 | −7.1600 | 0.0080 | 0.3521 | 0.8548 |