Table 2–
Comparison of baseline characteristics of the top-ten most relevant predictors for the cognitively-preserved versus cognitively-impaired groups.
| Variables | Preserved (n=205) | Impaired (n=176) |
|---|---|---|
| Age | 68.3 (2.9) | 71.7 (3.5) |
| Education | ||
| Grade school (1–4 years) | 0 (0%) | 1 (0.6%) |
| Grade school (5–8 years) | 0 (0%) | 5 (2.9%) |
| Some high school (9–11 years) | 2 (1.0%) | 9 (5.1%) |
| High school diploma or GED | 33 (16.2%) | 38 (21.7%) |
| Vocational or training school | 21 (10.3%) | 22 (12.6%) |
| Some college or Associate Degree | 69 (33.8%) | 43 (24.6%) |
| College graduate or Baccalaureate Degree | 14 (6.9%) | 14 (8.0%) |
| Some post-graduate or professional | 14 (6.9%) | 16 (9.1%) |
| Master’s Degree | 47 (23.0%) | 23 (13.1%) |
| Doctoral Degree | 4 (2.0%) | 4 (2.3%) |
| Depression | 0.02 (0.09) | 0.03 (0.09) |
| Optimism | 24.1 (3.0) | 22.9 (3.2) |
| Forgetfulness | ||
| Symptom did not occur | 113 (55.4%) | 39 (22.3%) |
| Symptom was mild | 83 (40.7%) | 98 (56.0%) |
| Symptom was moderate | 7 (3.4%) | 34 (19.4%) |
| Symptom was severe | 1 (0.5%) | 4 (2.3%) |
| Sleep Disturbance | 5.9 (4.6) | 7.4 (4.4) |
| Physical Function | 84.9 (16.8) | 74.2 (20.8) |
| Systolic blood pressure | 129.6 (16.5) | 133.9 (17.2) |
| Blood Glucose | 98.3 (19.4) | 101.7 (21.0) |
| Blood Hemoglobin | 13.6 (0.8) | 13.8 (1.1) |