Table 3.
Multiple regression analysis results showing the adjusted odds ratio (OR) for prior tinnitus of early-onset dementia patients vs. controls (n = 2616).
| Variable | Presence of early-onset dementia | ||
|---|---|---|---|
| Adjusted OR | 95% CI | p value | |
| Prior tinnitus | 1.628 | 1.321–2.006 | < 0.001 |
| Male (reference: Female) | 0.995 | 0.846–1.17 | 0.951 |
| Age | 1.003 | 0.991–1.016 | 0.596 |
| Monthly income | |||
| < NT$15,841 (reference group) | 1.000 | – | – |
| NT$15,841 ~ 25,000 | 1.151 | 0.943–1.406 | 0.168 |
| ≥ NT$25,001 | 1.154 | 0.937–1.422 | 0.179 |
| Geographic region | |||
| Northern (reference group) | 1.000 | – | – |
| Central | 0.923 | 0.736–1.158 | 0.489 |
| Eastern | 1.22 | 0.295–5.033 | 0.784 |
| Southern | 0.911 | 0.738–1.123 | 0.383 |
| Urbanization level | |||
| 1 (reference group) | 1.000 | – | – |
| 2 | 1 | 0.815–1.226 | 0.998 |
| 3 | 0.783 | 0.611–1.005 | 0.055 |
| 4 | 0.165 | 0.053–0.519 | 0.002 |
| 5 | 0.568 | 0.389–0.829 | 0.003 |
| Hyperlipidemia | 1.002 | 0.848–1.183 | 0.985 |
| Diabetes | 0.896 | 0.749–1.072 | 0.231 |
| Hypertension | 0.957 | 0.811–1.132 | 0.607 |
| Coronary heart disease | 0.644 | 0.533–0.782 | < 0.001 |
| Hearing loss | 1.781 | 1.193–2.654 | 0.005 |
| Obesity | 0.787 | 0.322–1.926 | 0.600 |
| Alcohol abuse | 217,194.037 | 0– > 9999 | 0.962 |
All variables listed in the table were included in the multiple logistic regression model.