Table 1.
Descriptive Statistics
| Amyloid Elevated (N = 27) | Amyloid Non-Elevated (N = 70) | |
|---|---|---|
| Age, years | 73.1 (4.8) | 71.2 (5.7) |
| Education, years | 16.2 (3.0) | 16.8 (2.4) |
| Female, N (%) | 14 (51.9%) | 45 (64.3%) |
| Caucasian, N (%) | 27 (100%) | 67 (95.7) |
| Hispanic, N (%) | 0 (0%) | 1 (1.4%) |
| Family History, N (%) | 3 (11.1%) | 11 (15.7%) |
| MMSE | 29.2 (0.9) | 29.1 (1.2) |
| STAI | 33.9 (5.5) | 33.8 (5.3) |
| BAI Pre-Scan | 3.7 (3.1) | 3.7 (4.0) |
| BAI Disclosure | 4.3 (4.6) | 3.7 (3.6) |
| BAI 6 Weeks | 2.6 (2.9) | 3.5 (4.1) |
| BAI 6 Months | 2.6 (3.0) | 3.6 (4.2) |
| CES-D Pre-Scan | 3.7 (4.5) | 3.4 (4.1) |
| CES-D Disclosure | 4.0 (5.4) | 4.0 (4.2) |
| CES-D 6 Weeks | 2.5 (2.1) | 3.9 (5.2) |
| CES-D 6 Months | 3.7 (4.3) | 4.2 (4.4) |
All values are means (SD) unless otherwise noted. Family history reported by participant includes any cognitive or behavioral change in biological parents, full siblings and biological children. No differences were observed across groups (all p values > 0.05). MMSE = Mini-mental State Exam; BAI = Beck Anxiety Inventory; CES-D = Centers of Epidemiologic Studies Depression Scale