Table 2.

Intercorrelations among variables

Variable	1	2	3	4	5	6	7	8	9	10	11	12	13	14
1. Age	–
2. Gender	0.10	–
3. Education	− 0.31	− 0.09	–
4. ApoE-ε2	0.00	0.01	0.00	–
5. ApoE-ε4	0.05	0.01	− 0.01	0.07	–
6. Diabetes	0.04	− 0.12	− 0.05	−0.01	0.04	–
7. Head injury	− 0.07	− 0.11	0.03	−0.02	0.01	− 0.02	–
8. Cardiovascular disease burden	0.28	− 0.09	− 0.09	−0.04	− 0.03	0.15	0.05	–
9. Smoking	− 0.14	0.01	0.03	−0.02	0.01	− 0.03	0.03	− 0.07	–
10. Cerebrovascular disease	0.17	−0.02	− 0.08	−0.04	− 0.00	0.01	− 0.01	0.13	−0.01	–
11. Odor identification	− 0.22	0.10	0.15	0.02	0.04	− 0.07	− 0.04	− 0.12	0.03	− 0.07	–
12. Vocabulary	− 0.33	0.00	0.41	0.00	− 0.02	− 0.04	0.03	− 0.08	0.05	− 0.08	0.18	–
13. MMSE at baseline	− 0.29	0.00	0.22	0.01	−0.04	− 0.04	− 0.04	− 0.13	0.05	− 0.08	0.17	0.17	–
14. MMSE at 6-year follow-up	− 0.38	0.02	0.26	0.01	0.07	− 0.06	0.01	− 0.13	0.01	−0.21	0.22	0.22	0.29	–

Correlations in bold are significant, p < .05