Table 3.

Logistic regression of apoE gene polymorphism and MCI.

	β	SE	Wald χ 2	P	OR	95% CI
Total (n = 924)
ethnicity	−0.33	0.18	3.39	0.066	0.71	0.49–1.02
Risk index	−0.46	0.16	7.80	0.005	0.63	0.45–0.87
ε2 carrier	−0.38	0.27	1.99	0.158	0.68	0.39–1.16
ε4 carrier	0.89	0.28	9.93	0.002	2.45	1.40–4.29
Hui (n = 306)
Risk index	−0.53	0.26	0.74	0.389	0.79	0.47–1.33
ε2 carrier	0.10	0.41	0.06	0.807	1.10	0.49–2.47
ε4 carrier	0.96	0.47	4.04	0.044	2.61	1.02–6.66
Han (n = 618)
Risk index	−0.53	0.21	6.36	0.012	0.58	0.38–0.88
ε2 carrier	−0.71	0.34	4.20	0.040	0.48	0.24–0.96
ε4 carrier	0.86	0.34	6.16	0.013	2.36	1.19–4.67