Table 1.
Baseline demographics and values of several variables of the selected cohort (n=381).
| Variables | Mean (SD) or N (%) |
|---|---|
| Age | 69.9 (3.6) |
| Race/Ethnicity | |
| American Indian or Alaskan Native | 2 (0.5%) |
| Asian or Pacific Islander | 1 (0.3%) |
| Black or African-American | 28 (7.4%) |
| Hispanic/Latino | 8 (2.1%) |
| White (not of Hispanic origin) | 338 (88.7%) |
| Other | 4 (1.1%) |
| Education | |
| Grade school (1–4 years) | 1 (0.3%) |
| Grade school (5–8 years) | 5 (1.3%) |
| Some high school (9–11 years) | 11 (2.9%) |
| High school diploma or GED | 71 (18.7%) |
| Vocational or training school | 43 (11.4%) |
| Some college or Associate Degree | 112 (29.6%) |
| College graduate or Baccalaureate Degree | 28 (7.4%) |
| Some post-graduate or professional | 30 (7.9%) |
| Master’s Degree | 70 (18.5%) |
| Doctoral Degree | 8 (2.1%) |
| Forgetfulness | |
| Symptom did not occur | 152 (40.1%) |
| Symptom was mild | 181 (47.8%) |
| Symptom was moderate | 41 (10.8%) |
| Symptom was severe | 5 (1.3%) |
| Physical Function | 80.0 (19.5) |
| Systolic blood pressure | 131.6 (16.9) |
| Glucose | 99.9 (20.2) |
| Optimism | 23.5 (3.2) |
| Sleep Disturbance | 6.6 (4.6) |
| Depression | 0.03 (0.1) |