TABLE 4.

Risk factors for chlamydia in males

					Number of partners			Type of partners
Year*	Author (reference)	Age	Race	Socio-economic status	Lifetime	Past Year	Recent	New	Casual	Regular	Barrier contraceptive use	Age at first intercourse
1986	Karam et al (74)	+	-		†	+	-					-
1991	Vincelette et al (111)	+				-
1992	Hook et al (78)	-					-	+	+	-
1993	Hart (50)	+	-	-			+			-
1994	Hart (52)	+	-	-			+			†
1997	Prins et al (98)						-
	Van Duynhoven et al (25)	+					+		†		+
	Marrazzo et al (36)	†	+				+				+

^*Year of publication;

^†Positive correlation, statistically significant in single factor analysis only;

+Positive correlation, statistically significant in multivariate analysis; -No correlation; Blank space Not determined