Research Article
Genetic Variants in CSMD1 Gene Are Associated with Cognitive Performance in Normal Elderly Population
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% |
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