Table 4.

Table of collinearity diagnostics among study variables

Collinearity diagnostics
Variable	Eigen value	Condition index	Proportion of Variation
			Intercept	MetS	Age	Sex	Education	Smoking status	Drinking status	APOE ε4
Intercept	4.3854	1	0.01	0.02	0.01	0.02	0.01	0.01	0.01	0.01
MetS	0.9263	2.1759	0.00	0.09	0.01	0.00	0.02	0.01	0.56	0.11
Age	0.7748	2.3791	0.00	0.03	0.02	0.00	0.00	0.09	0.24	0.49
Sex	0.5827	2.7434	0.00	0.52	0.08	0.10	0.03	0.02	0.18	0.06
Education	0.4767	3.033	0.00	0.31	0.13	0.43	0.02	0.16	0.00	0.00
Smoking status	0.4053	3.2895	0.00	0.03	0.42	0.29	0.04	0.32	0.00	0.05
Drinking status	0.3534	3.523	0.02	0.00	0.24	0.08	0.24	0.30	0.01	0.25
APOE ε4	0.0954	6.7796	0.96	0.01	0.07	0.08	0.64	0.08	0.00	0.03

MetS, metabolic syndrome; APOE, Apolipoprotein E.