APOE and dementia: Regarding risk of death by APOE status, among those with ≥1 APOE ε4 allele, 53.7% (95% CI: 45.6, 61.7%) of Blacks died prior to a dementia diagnosis in carriers, compared with 63.4% (95% CI: 60.1, 66.5%) for non-carriers; 53% of Whites (95% CI: 50.7, 55.6%) with ≥1 APOE ε4 allele died prior to a dementia diagnosis compared with 66.1% (95% CI: 64.3, 68.0%) among Whites with no APOE ε4 alleles.