Table 1.

Characteristics of the study population.

	APOE ε4 non-carriers	APOE ε4 carriers
N	3929	1518
Age (M, SD)	60.9 (5.9)	60.8 (5.9)
Women (N, %)	1071 (27.3)	384 (25.3)
Lower employment grade (N, %)	839 (21.4)	312 (20.6)
Less than secondary school (N, %)	1641 (41.8)	634 (41.8)
Smoking status (N, %)
Current	587 (14.9%)	221 (14.6%)
Past	1468 (37.4%)	560 (36.9%)
Never	1874 (47.7%)	737 (48.6%)
Alcohol consumption (N, %)
Abstinence	490 (12.5%)	214 (14.1%)
Moderate	2016 (51.3%)	749 (49.3%)
High	1423 (36.2%)	555 (36.6%)
Sedentary habit (N, %)
Yes	1039 (26.4%)	390 (25.7%)
No	2890 (73.6%)	1128 (74.3%)
Fruit & vegetable consumption less than 2 times/day (N, %)
Yes	1555 (39,6%)	630 (41,5%)
No	2374 (60,4%)	888 (58,5%)