Table 2 Impact of VI on the risk of dementia via multivariable time-varying Cox regression analyses.
Variables | Model 1a | Model 2b | ||
|---|---|---|---|---|
HR (95% CI) | p value | HR (95% CI) | p value | |
VI (yes) | 1.559 (1.479–1.644) | < 0.0001 | 2.726 (2.251–3.300) | < 0.0001 |
Age group (≥ 65 years) | 10.587 (9.867–11.360) | < 0.0001 | 12.069 (10.674–13.646) | < 0.0001 |
Sex (female) | 1.522 (1.453–1.594) | < 0.0001 | 1.406 (1.193–1.657) | < 0.0001 |
VI* age group (yes, ≥ 65 years) | 0.539 (0.436–0.667) | < 0.0001 | ||
VI* sex (yes, female) | 0.986 (0.749–1.300) | 0.9219 | ||
Age group* sex (≥ 65 years, female) | 1.106 (0.929–1.316) | 0.2578 | ||
VI* age group* sex (yes, ≥ 65 years, female) | 0.972 (0.720–1.312) | 0.8540 | ||
