Table 1. Study characteristics.
| African ancestry | Non-African ancestry | P-value | |
|---|---|---|---|
| Number | 112 | 90 | |
| Age at death (mean±s.d.) | 74.5±11.9 | 76.9±11.4 | 0.18 |
| Gender (% female) | 57.3% | 60.0% | 0.68 |
| Socioeconomic level (mean ABIPEME score ±s.d.) | 15.5±9.4 | 20.3±9.0 | <0.001 |
| Educational status (mean years of schooling ±s.d.) | 3.7±3.7 | 4.8±3.8 | 0.03 |
| Race (% self-declared White) | 58.0% | 95.5% | <0.001 |
| Cognitive status (% CDR=0) | 67.2% | 66.2% | 0.85 |
| Cognitive status (mean IQCODE ±s.d.) | 3.44±0.72 | 3.40±0.68 | 0.81 |
| APOE4 status (% positive) | 26.8% | 20.0% | 0.26 |