Table 3.
Demographic and Clinical Characteristics for Individuals With Study Baseline Age ≥60 in the NACC Data Set at the Most Recent Study Visit
| Variable | UDS 1 & 2 | UDS 3 |
|---|---|---|
| Sample size, n | 29,154 | 15,232 |
| Age, mean (SD) | 77.1 (8.4) | 76.3 (8.3) |
| Female, (%) | 56.8 | 58.4 |
| Education, mean (SD) | 14.9 (3.6) | 15.8 (3.2) |
| Self-reported race, % | ||
| Non-Latinx White | 80.5 | 80.1 |
| African/American | 14.3 | 14.1 |
| Hispanic/Latino | 1.1 | 0.7 |
| Others | 4.1 | 5.1 |
| Cognitive diagnosisa at most recent visit, % | ||
| Cognitively Normal | 33.8 | 48.0 |
| MCI | 19.2 | 15.7 |
| Diagnosed with AD | 44.0 | 34.3 |
| Other dementia | 3.0 | 2.0 |
Note. NACC = National Alzheimer’s Coordinating Center; MCI = Mild Cognitive Impairment; AD = Alzheimer’s disease; UDS = uniform data set; SD = standard deviation.
a
Based on primary, contributing, or noncontributing cause Alzheimer’s disease.