Prevalence and Incidence of Syphilis among Volunteer Blood Donors in Israel

Table 3

Odds ratio (OR) of the determinants of seropositivity for syphilis, total and recent infection—logistic regression models.

Variable	Total seropositivity						Recent infection
	𝐵-Coefficient in model	Standard error	Sig.	OR	95% C.I. for OR		𝐵-Coefficient in model	Standard error	Sig.	OR	95% C.I. for OR
					Lower	Upper					Lower	Upper
Age	0.055	0.004	<0.0001	1.06	1.047	1.065	0.054	0.008	<0.0001	1.06	1.040	1.072
Immigration Year 1990* Country Group			<0.0001						<0.0001
Imm. Year 1990 by Country Group (Asia)	1.286	1.004	0.2004	3.62	0.505	25.906	2.295	1.011	0.0231	9.92	1.368	71.928
Imm. Year 1990 by Country Group (Africa)	2.944	0.419	<0.0001	19.00	8.360	43.168	3.256	0.596	<0.0001	25.94	8.068	83.412
Imm. Year 1990 by Country Group (Eastern Europe)	2.381	0.127	<0.0001	10.82	8.442	13.870	2.101	0.226	<0.0001	8.17	5.244	12.731
Imm. Year 1990 by Country Group (Western Europe)	−0.711	1.004	0.4789	0.49	0.069	3.514	0.297	1.011	0.7687	1.35	0.186	9.757
Imm. Year 1990 by Country Group (South America)	1.991	0.456	<0.0001	7.32	2.994	17.912	2.487	0.596	<0.0001	12.02	3.738	38.677