Table 2. Independent associations of prevalent HIV infection among homeless, Tehran, Iran, 2007-2008.

Model		Adjusted odds ratio (95% CI)	P-value
Age groups	<25 years	-	referent
	25-40 years	1.70 (1.04-2.79)	0.03
	40-55 years	1.80 (1.08-2.99)	0.02
Occupation	Employed	-	referent
	Unemployed	1.64 (1.19-2.24)	0.002
Relation with family	Yes	-	referent
	No	1.82 (1.30-2.54)	<001
Situation of drug abuse	No	-	referent
	Non-injection	3.21 (1.83-5.62)	<001
	Injection	8.15 (4.86-13.67)	<001