Table 1 General characteristics of participants according to presence or not of dementia.
From: Subclinical hyperthyroidism and dementia: the Sao Paulo Ageing & Health Study (SPAH)
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 |