Table 5.
Final Multivariable Logistic Regression Model of Associations Between Explanatory Variables and Post-operative AR (Restricted to N=530 Teeth Without Pre-operative AR)
| Independent Variable | Level | P-value | Odds Ratio (95% CI) |
|---|---|---|---|
| Extension | Under-extended | 0.460 | 1.5 (0.6–3.7) |
| Over-extended | 0.197 | 2.0 (0.8–5.1) | |
| Well-extended (reference) | --- | --- | |
| Density | Acceptable | 0.467 | 1.5 (0.5–4.6) |
| Defective | 0.022 a | 3.2 (1.3–8.2) | |
| Ideal (reference) | --- | --- | |
| Income | > $ 25,000 | 0.798 | 0.9 (0.4–2.0) |
| ≤ $25,000 (reference) | --- | --- | |
a
Statistically significant at 0.05 level