Table 2.

Demographic characteristics by latent class membership.

Variable	Overall Sample n 10,928	Asymptomatic n (%) 8351 (71.6)	Tolerance/Time n (%) 1088 (14.5)	Loss of Control/ Pharmacological n (%) 615 (5.7)	Social Impairment n (%) 255 (2.6)	Pervasive n (%) 619 (5.6)	P value
Sex
Male	5576 (51.0)	4268 (51.1)	516 (47.4)	306 (49.8)	128 (50.2)	358 (57.8)	0.0015
Race/ethnicity
White	6821 (62.4)	5113 (61.2)	648 (59.6)	454 (73.8)	137 (53.7)	469 (75.8)	<0.0001
Black	1215 (11.1)	994 (11.9)	117 (10.8)	45 (7.3)	29 (11.4)	30 (4.8)
Hispanic	1841 (16.8)	1453 (17.4)	198 (18.2)	68 (11.1)	52 (20.4)	70 (11.3)
Other	1051 (9.6)	791 (9.5)	125 (11.5)	48 (7.8)	37 (14.5)	50 (8.1)
Age, years
12–17	1714 (15.7)	1384 (16.6)	192 (17.6)	47 (7.6)	56 (22.0)	35 (5.7)	<0.0001
18–25	3966 (36.3)	3123 (37.4)	344 (31.6)	185 (30.1)	91 (35.7)	223 (36.0)
26–34	2347 (21.5)	1720 (20.6)	218 (20.0)	164 (26.7)	43 (16.9)	202 (32.6)
35–49	2053 (18.8)	1515 (18.1)	213 (19.6)	154 (25.0)	42 (16.5)	129 (20.8)
≥50	848 (7.8)	609 (7.3)	121 (11.1)	65 (10.6)	23 (9.0)	30 (4.8)
Level of education
12–17 years old	1714 (15.7)	1384 (16.6)	192 (17.6)	47 (7.6)	56 (22.0)	35 (5.7)	<0.0001
Less than high school	1443 (13.2)	1016 (12.2)	171 (15.7)	97 (15.8)	54 (21.2)	105 (17.0)
High school graduate	2711 (24.8)	1928 (23.1)	281 (25.8)	201 (32.7)	66 (25.9)	235 (38.0)
Some college/ associate’s degree	3478 (31.8)	2674 (32.0)	327 (30.1)	211 (34.3)	63 (24.7)	203 (32.8)
College graduate	1582 (14.5)	1349 (16.1)	117 (10.8)	59 (9.6)	16 (6.3)	41 (6.6)
Insurance
No insurance	1571 (14.4)	1158 (13.9)	133 (12.2)	113 (18.4)	44 (17.3)	123 (19.9)	<0.0001
Government/ government supported	3754 (34.3)	2593 (31.0)	473 (43.5)	262 (42.6)	121 (47.4)	305 (49.3)
Private	5603 (51.3)	4600 (55.1)	482 (44.3)	240 (39.0)	90 (35.3)	191 (30.8)