Table 4. Prevalence Ratios for Amount Smoked from Univariate and Multivariate Analysis.

	Univariate Analysis		Multivariate Analysis
	Total Men	p-value	Total Men	p-value
Age	.997 (.996-.998)	<0.0001	0.999 (.999-1.001)	0.445
Race
White, non-Hispanic	Reference		Reference
Black, non-Hispanic	0.95 (0.94-0.97)	<0.0001	0.96 (0.94-0.98)	0.0004
Other	0.93 (0.92-0.95)	0.177	0.93 (0.91-0.95)	<0.0001
Education
High School Diploma or Less	1.13 (1.11-1.16)	<0.0001	1.10 (1.07-1.13)	<0.0001
Some College or College Degree	1.06 (1.05-1.08)	<0.0001	1.04 (1.02-1.05)	<0.0001
Graduate Work or More	Reference		Reference
Enrolled after 2001	0.95 (0.94-0.96)	<0.0001	1.02 (0.99-1.04)	0.145
Unemployed	1.03 (1.02-1.05)	<0.0001	1.03 (1.00-1.05)	0.024
Site
Baltimore/Washington DC	Reference		Reference
Chicago	1.01 (0.99-1.03)	0.323	1.03 (0.96-1.10)	0.544
Los Angeles	0.99 (0.98-1.01)	0.646	1.00 (0.98-1.02)	0.653
Pittsburgh	1.07 (1.04-1.09)	<0.0001	1.06 (1.03-1.09)	0.012
Alcohol use
None	Reference		Reference
Low - Moderate	1.07 (1.06-1.09)	<0.0001	1.02 (1.00-1.04)	0.026
Moderate – Heavy	1.12 (1.07-1.16)	<0.0001	1.05 (1.01-1.03)	0.017
Binge	1.13 (1.44-1.53)	<0.0001	1.06 (1.04-1.09)	<0.0001
Marijuana use	1.07 (1.06-1.09)	<0.0001	1.11 (1.08-1.09)	0.0016
Hospitalization in the last 6 months	1.00 (0.99-1.01)	0.390	-	-
Depressed Symptoms	1.04 (1.02-1.05)	<0.0001	1.02 (1.01-1.04)	0.0095
HIV-seropositive	1.02 (1.01-1.42)	0.002	1.03 (1.00-1.05)	0.008
Enrolled after 2001*HIV-seropositive	0.99 (0.96-1.03)	0.848	-	-