Table 3.
Associated factors to tooth-loss for the studied population (n = 1640).
| 95% CI |
||||
|---|---|---|---|---|
| IRR | P | Lower | Upper | |
| Age | 1.051 | <.001 | 1.048 | 1.054 |
| Male | — | — | — | — |
| Females | 1.401 | .048 | 1.01 | 1.95 |
| No schooling | — | — | — | — |
| Elementary | 0.913 | .140 | 0.810 | 1.029 |
| Middle school | 1.002 | .970 | 0.880 | 1.140 |
| High school or more | 0.813 | .024 | 0.680 | 0.972 |
|
Local risk-factors No daily TB/No flossing |
— | — | — | — |
| No daily TB/Flossing | NC* | NC* | NC* | NC* |
| Once or more a day TB/No flossing | 0.847 | .06 | 0.714 | 1.006 |
| Once or more a day TB/Flossing | 0.654 | <.001 | 0.520 | 0.822 |
|
General risk factors No Diabetes/No smoker |
— | — | — | — |
| No diabetes/Smoker | 1.567 | <.001 | 1.328 | 1.850 |
| Diabetes/No smoker | 0.965 | .603 | 0.847 | 1.101 |
| Diabetes/Smoker | 3.621 | <.001 | 2.867 | 4.574 |
| Self-perceived oral health Excellent-Good |
— | — | — | — |
| Fair-Poor | 1.283 | .001 | 1.101 | 1.496 |
| Self-perceive oral appearance | ||||
| Excellent-Good | — | — | — | — |
| Fair-Poor | 1.327 | .003 | 1.098 | 1.603 |
| Decayed | 0.967 | <.001 | 0.957 | 0.977 |
| Filled | 0.963 | 0.945 | 0.982 | |
| _cons | 0.203 | <.001 | 0.148 | 0.277 |
Negative binomial regression for number of teeth loss.
CI = confidence interval; IRR = incidence rate ratio; NC = no cases; TB = toothbrushing.