Table 2 Demographic and sample statistics.
Epoch 1 (N = 464) | Epoch 2 (N = 338) | Epoch 3 (N = 224) | |
---|---|---|---|
Age, y | 58.31 (18.14) | 62.45 (17.26) | 65.07 (16.64) |
Age Range, y | 21–89 | 25–93 | 31–97 |
Interval to next epoch, y | 3.93 (0.36) | 4.92 (0.83) | — |
Female/Male, n (% Female) | 287/177 (61.9%) | 216/121 (64.1%) | 137/78 (63.7%) |
Baseline Education, y | 15.79 (2.29) | — | — |
MMSE | 28.39 (1.24) | 29.04 (1.25) | 29.14 (1.25) |
APOE e4 carrier | 102 (21.98%) | 80 (12.67%) | |
Caucasian | 395 (85.1%) | 298 (88.4%) | 200 (89.3%) |
Black/African-American | 27 (5.8%) | 16 (4.7%) | 5 (2.2%) |
Asian American /Pacific Islander | 14 (3%) | 8 (2.4%) | 6 (2.7%) |
Native American | 5 (1.1%) | 4 (1.2%) | 4 (1.8%) |
Hispanic/Latino | 25 (5.4%) | 15 (4.5%) | 13 (5.8%) |