Table 1 Characteristics of the study population.
From: CHRNA7 Polymorphisms and Dementia Risk: Interactions with Apolipoprotein ε4 and Cigarette Smoking
LOAD (N = 254) | VaD (N = 115 ) | Control (N = 435) | ||
|---|---|---|---|---|
mean ± SD | ||||
Age | 79.8 ± 6.3 | 79.8 ± 6.1 | 73.2 ± 5.8 | |
MMSE score | 18.7 ± 5.1 | 15.2 ± 6.3 | NA | |
SPMSQ (number of errors) | NA | NA | 0.1 ± 0.4 | |
N (%) | ||||
Female | 162 (64) | 66 (57) | 232 (53) | |
Education | ≦6 years | 128 (51) | 69 (60) | 50 (12) |
6–12 years | 86 (34) | 34 (30) | 171 (39) | |
>12 years | 37 (15) | 12 (10) | 212 (49) | |
Ever smoking | 60 (24) | 32 (28) | 75 (17) | |
Alcohol consumption | 28 (11) | 19 (17) | 48 (11) | |
Hypertension | 96 (38) | 75 (65) | 232 (53) | |
Diabetes mellitus | 48 (19) | 40 (35) | 62 (14) | |
Hypercholesterolemia | 46 (18) | 25 (22) | 133 (31) | |
APOE ε4 status | 99 (39) | 26 (23) | 65 (15) | |