Table 5.

Smoking history by AD status, APOE status, and age group

Age group and smoking statusNon–APOE-ε4 carrier, n (%)APOE-ε4 carrier, n (%)
AD+AD−AD+AD−
65–74 y
Current8 (36.4)49 (16.8)1 (7.7)22 (16.8)
Past5 (22.7)104 (35.6)3 (23.1)58 (44.3)
Never9 (40.9)139 (47.6)9 (69.2)51 (38.9)
75–84 y
Current8 (20.5)23 (12.0)3 (15.0)8 (14.0)
Past5 (12.8)68 (35.6)6 (30.0)19 (33.3)
Never26 (66.7)100 (52.4)11 (55.0)30 (52.6)
85+ y
Current0 (0)2 (6.1)1 (25.0)1 (8.3)
Past3 (27.3)7 (21.2)1 (25.0)6 (50.0)
Never8 (72.7)24 (72.7)2 (50.0)5 (41.7)