Table 2. Summary of background characteristics of homeless patients in four latent classes.

The values are count and percent unless otherwise noted.

Variable	Class 1	Class 2	Class 3	Class 4
Class label	substance use disorder	Relatively healthy	Medically comorbid	Medically comorbid with SUD
Class size, n (%)	1293 (37.5)	1093 (31.7)	552 (16.0)	506 (14.8)
Age, mean (SD)	40.53 (12.37)	37.47 (17.36)	57.19 (11.57)	52.73 (9.97)
Female	490 (36.7)	406 (37.8)	201 (38.4)	168 (32.8)
African American	481 (36.0)	506 (47.1)	222 (42.5)	216 (42.2)
Hispanic or Latino	75 (5.6)	75 (6.9)	26 (4.9)	21 (4.1)
Insurance Medicaid	1010 (75.7)	650 (60.5)	260 (49.7)	312 (60.9)
Medicare	181 (13.6)	116 (10.8)	211 (40.3)	176 (34.4)
Self-pay	99 (7.4)	249 (23.2)	25 (4.8)	8 (1.6)
Commercial	45 (3.4)	60 (5.6)	27 (5.5)	16 (3.1)