Table 1.
General characteristics of participants according to presence or not of dementia.
| Presence of dementia | |||
|---|---|---|---|
| Characteristics | Yes (N = 49) |
No (N = 1070) |
P |
| Age (years)* | 78.5 (8.0) | 71.9 (6.1) | < 0.001 |
| Proportion of women (%) | 33 (67.3) | 644 (60.2) | 0.20 |
| Race | |||
| White | 13 (56.5) | 530 (52.4) | 0.81 |
| Mixed | 6 (26.1) | 328 (32.4) | |
| Black | 4 (17.4) | 154 (15.2) | |
| Education (years) | |||
| No formal education | 24 (50.0) | 422 (39.6) | 0.10 |
| ≥ 1 year of formal education | 24 (50.0) | 645 (60.4) | |
| Monthly income | |||
| < 127 US$ | 39 (79.6) | 567 (53.0) | < 0.001 |
| ≥ 127 US$ | 10 (20.4) | 503 (47.0) | |
| BMI (kg/m2)* | 22.1 (4.3) | 25.8 (5.0) | < 0.001 |
| TSH (mU/l)* | 1.4 (0.9) | 1.7 (0.9) | 0.04 |
| Free-T4 (ng/dl)* | 1.2 (1.2) | 1.1 (0.4) | 0.052 |
| TPOAb positive antibodies (UI/ml)* | 17.3 (12.9) | 26.1 (81.5) | 0.63 |
| high blood pressure (%) † | 42 (91.3) | 822 (78.4) | 0.02 |
| diabetes (%)‡ | 12 (26.1) | 21.9 (224) | 0.31 |
| Total cholesterol (mg/dl) | 203 (42) | 210 (44) | 0.29 |
| HDL-cholesterol (mg/dl) | 59 (18) | 56 (15) | 0.13 |
| LDL-cholesterol (mg/dl) | 116 (32) | 125 (35) | 0.09 |
| Current smokers (%) | 6 (23.1) | 153 (24.6) | 0.54 |
| History of alcohol abuse (%) | 11 (22.4) | 225 (21.0) | 0.46 |
*Mean (standard deviation).
†Diagnosis of high blood pressure was done if positive medical history of high blood pressure or treatment for high blood pressure or systolic blood pressure > 140 mm Hg or diastolic blood pressure > 90 mm Hg.
‡Diagnosis of diabetes if positive medical history of diabetes or treatment for diabetes or fasting blood glucose > 126 mg/dl.