Table 1.
Baseline characteristics of the BMI analytical sample (n = 6582) by dementia status
| Dementia (n = 453) | No dementia (n = 6129) | P‐Value | |
|---|---|---|---|
| BMI (categories) (kg/m2), n (%) | 0.657a | ||
| Normal (18.5–24.9) | 116 (25.6) | 1691 (27.6) | |
| Overweight (25.0–29.9) | 203 (44.8) | 2683 (43.8) | |
| Obese (≥30.0) | 134 (29.6) | 1755 (28.6) | |
| Age (years), mean (SD) | 71.8 (7.8) | 61.9 (8.7) | <0.001b |
| Men, n (%) | 204 (45.0) | 2826 (46.1) | 0.693a |
| APOE ε4 carrier, n (%) | 183 (40.4) | 1474 (24.0) | <0.001a |
| Education, n (%) | <0.001a | ||
| No qualifications | 222 (49.0) | 1971 (32.2) | |
| A-level | 156 (34.4) | 2370 (38.7) | |
| Higher | 75 (16.6) | 1788 (29.2) | |
| Unmarried, n (%) | 203 (44.8) | 1842 (30.1) | <0.001a |
| No physical activity, n (%) | 32 (7.1) | 179 (2.9) | <0.001a |
| Current smokers, n (%) | 59 (13.0) | 887 (14.5) | 0.436a |
| Hypertension, n (%) | 244 (53.9) | 2704 (44.1) | <0.001a |
| Diabetes, n (%) | 66 (14.6) | 548 (8.9) | <0.001a |
a
Chi-square test.
b
t test.