Table 1.
Baseline characteristics of study population (n = 524). Values are means ± standard deviation unless otherwise noted.
| Age, years | 76.5 ± 6.5 ab |
| Sex, % (n) female | 61.5 (272) |
| Race/Ethnicity | |
| White, % (n) | 80.7 (423) |
| Black, % (n) | 15.5 (81) |
| Hispanic, % (n) | 2.1 (11) |
| Other, % (n) | 1.7 (9) |
| Education, years | 14.7 ± 2.9 |
| RBANSc Total Score (62-138) | 92.0 ± 11.6 b |
| Geriatric Depression Scale (0-30) | 4.4 ± 3.7 a |
| Cognitive Leisure Activities Scale (0-42) | 9.6 ± 4.7 |
| Beck Anxiety Inventory (0-63) | 4.4 ± 5.4 a |
| Summary multi-morbidity score (0-10) | 1.6 ± 1.1 a |
| Depression, % (n) | 10.5 (55) |
| Diabetes, % (n) | 19.1 (100) a |
| Heart Failure, % (n) | 1.5 (8) |
| Hypertension, % (n) | 59.7 (313) |
| Myocardial Infarction, % (n) | 6.3 (33) b |
| Angina, % (n) | 3.6 (19) |
| Stroke, % (n) | 5.3 (28) ab |
| Chronic Obstructive Lung Disease, % (n) | 7.1 (37) |
| Arthritis, % (n) | 53.6 (281) a |
| Big Five Inventory Scores by Personality Traits | |
| Extraversion | 27.8 ± 6.2 |
| Agreeableness | 38.6 ± 4.7 |
| Conscientiousness | 37.7 ± 5.4 |
| Neuroticism | 18.1 ± 6.3 |
| Openness | 38.0 ± 6.7 a |
a
Indicates significant differences (p<0.05) between those who developed incident MCR and remained healthy.
b
Indicates significant differences (p<0.05) between those who developed incident MCI and remained healthy.
c
RBANS: Repeatable Battery for the Assessment of Neuropsychological Status