Table 1. Characteristics of MSM and non-MSM.

	MSM	Non-MSM	p-value
	(n = 730)	(n = 17,111)
Age, mean(SD)	30.9 (6.8)	34.7 (6.9)	<0.001
Age Group, n(%)			<0.001
18–25	180 (24.7)	2,095 (12.2)
26–30	203 (27.8)	2,847 (16.6)
31–35	153 (21.0)	3,719 (21.7)
36–40	117 (16.0)	4,109 (24.0)
41–45	77 (10.6)	4,341 (25.4)
Race, n(%)			0.67
White	563 (78.2)	12,857 (76.3)
Black	64 (8.9)	1,591 (9.4)
Asian	65 (9.0)	1,624 (9.6)
Other	28 (3.9)	773 (4.6)
Hispanic, n(%)	37 (5.1)	760 (4.6)	0.49
Female Partner ever n(%)	172 (23.6)	16,618 (97.1)	<0.001
Alcohol Use, n(%)	527 (80.2)	12,101 (76.2)	0.018
Illegal Drugs, n(%)	112 (17.8)	1,726 (11.3)	<0.001
IV Drugs, n(%)	1 (0.2)	12 (0.07)	0.49
Department, n(%)			0.07
Family Medicine	347 (47.5)	8,501 (49.7)
Internal Medicine	341 (46.7)	7,354 (43.0)
Internal Medicine-Pediatrics	34 (4.7)	1,111 (6.5)
Pediatrics	8 (1.1)	145 (0.9)