Table 1.
Demographic and health characteristics of the sample.
| Characteristics | Mean ± SD or % where indicated |
|---|---|
| Age, years | 70.9 ± 5.7 |
| Gender, female | 74% |
| Education | |
| Years of education | 13.3 ± 3.1 |
| Min education, years | 4 |
| Max education, years | 20 |
| Maximum achieved level of education | |
| Less than high school graduate | 11% |
| High school graduate | 8% |
| Some college or associate's degree | 32% |
| Bachelor's degree | 42% |
| Master's or higher professional degree | |
| Doctoral degree | 7% |
| Memory testing history | 7% |
| Clinical reasons | 3% |
| Research participant | 3% |
| Health characteristics | |
| Coronary artery disease | 44% |
| Atrial fibrillation | 24% |
| Stroke | 7% |
| Congestive heart failure | 17% |
| High blood pressure | 81% |
| Obesity | 26% |
| Diabetes, type 2 | 18% |
| Smoking | |
| Smoking during last 30 days | 9% |
| Smoking more than 100 cigarettes over life | 20% |