|  |  |  | Sample sizes | |||
---|---|---|---|---|---|---|---|
 |  | %Male | Age (years) | EA | AA | Hispanic | Others |
Sample 1 | Healthy controls | 39.9 | 28.2 ± 9.1 | 310 | 48 |  |  |
 | Cases | 73.4 | 39.4 ± 9.2 | 391 | 158 |  |  |
 | AD | 76.1 | 40.3 ± 9.2 | 326 | 101 |  |  |
 | DD | 68.2 | 37.1 ± 8.1 | 204 | 145 |  |  |
Sample 2 | Healthy controls | 28.0 | 33.5 ± 12.6 |  | 125 |  |  |
 | Cases | 64.9 | 40.0 ± 9.3 |  | 271 |  |  |
 | AD | 65.1 | 40.0 ± 9.3 |  | 269 |  |  |
 | DD | 64.8 | 42.0 ± 8.3 |  | 71 |  |  |
Sample 3 | SNF size | Â | Â | 92 | 12 | 6 | 2 |
 | Parents | 49.8 | 65.9 ± 8.6 | 183 | 24 | 11 | 3 |
 | %Unaffected | 45.5 | 66.8 ± 8.6 | 79.8 | 37.5 | 63.6 | 100.0 |
 | Offspring | 54.8 | 39.2 ± 11.1 | 96 | 13 | 5 | 1 |
 | AD | 58.9 | 37.3 ± 8.2 | 77 | 9 | 3 | 1 |
 | DD | 55.2 | 38.0 ± 7.3 | 77 | 13 | 5 | 1 |