Table 2.

The multivariate logistic regression analysis for predictors of TP seropositivity.

	Sig	Exp (B)	95% C.I. for EXP (B)
			Lower	Upper
Age	<0.001	1.499	1.448	1.552
Gender	<0.001	1.160	1.079	1.247
Education level	<0.001
Primary education	<0.001	2.111	1.648	2.704
Junior high school	<0.001	1.824	1.637	2.032
College degree	<0.001	0.457	0.403	0.518
Bachelor	<0.001	0.292	0.250	0.340
Postgraduate	<0.001	0.154	0.092	0.257
Not defined	<0.001	0.230	0.208	0.254
Number of donations	<0.001	0.058	0.053	0.065
Constant	<0.001	2.920