Table 4. Results of logistic regression analysis for Alzheimer’s disease with sex, age group, and number of missing teeth in subjects diagnosed as having missing teeth.
| Independent variable | Odds ratio | 95% confidence interval | p-value | ||
|---|---|---|---|---|---|
| Lower limit | Upper limit | ||||
| Sex | Male | 1.00 | (Reference) | ||
| Female | 1.42 | 1.38 | 1.46 | <0.001 | |
| Age group (y) | 60–64 | 1.00 | (Reference) | ||
| 65–69 | 2.13 | 1.74 | 2.62 | <0.001 | |
| 70–74 | 5.04 | 4.16 | 6.12 | <0.001 | |
| 75–79 | 12.51 | 10.36 | 15.10 | <0.001 | |
| 80–84 | 29.03 | 24.08 | 35.01 | <0.001 | |
| 85– | 66.59 | 55.25 | 80.25 | <0.001 | |
| Number of missing teeth (excluding third molars) | 1–13 | 1.00 | (Reference) | ||
| 14–27 | 1.40 | 1.36 | 1.44 | <0.001 | |
| 28 | 1.81 | 1.74 | 1.89 | <0.001 | |
Dependent variable: having Alzheimer’s disease (yes/no).