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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Drug Alcohol Depend. 2021 Sep 23;228:109055. doi: 10.1016/j.drugalcdep.2021.109055

Table 5.

Demographic characteristics of latent classes

All DUIH #1: Cannabis Drivers (50.5%) #2: Polydrug Drivers (38.8%) #3: Mental Health (10.8%)

% (N) % (N) % (N) % (N) χ2
Age

 16-17 5.79 (47) 8.09 (32) 3.27 (11) 4.14 (4) 55.19*
 18-25 50.18 (253) 60.50 (142) 42.29 (97) 30.31 (14)
 26-34 28.25 (76) 22.27 (29) 33.55 (36) 37.20 (11)
 35-49 11.92 (29) 9.15 (12) 10.96 (11) 28.35 (6)
 50-64 3.85 (3) 0.00 (0) 9.92 (3) 0.00 (0)

Sex

 Female 28.45 (137) 30.11 (74) 21.30 (46) 46.51 (17) 11.29*
 Male 71.55 (271) 69.89 (141) 78.70 (112) 53.49 (18)

Race/Ethnicity

 NH White 63.13 (230) 57.75 (113) 71.43 (101) 58.37 (16) ns
 NH Black/African American 14.97 (56) 15.56 (34) 12.05 (15) 22.72 (7)
 NH Asian 3.80 (12) 6.03 (8) 1.26 (3) 2.47 (1)
 Hispanic 13.98 (71) 16.99 (42) 12.06 (25) 6.80 (4)
 Other 4.12 (39) 3.66 (18) 3.20 (14) 9.63 (7)

Household Income

 Less than $20,000 23.57 (105) 26.97 (58) 15.68 (34) 36.13 (13) ns
 $20,000-$39,999 30.51 (132) 29.87 (69) 33.65 (53) 22.18 (10)
 $40,000-$74,999 16.95 (58) 15.90 (29) 16.18 (23) 24.65 (6)
 $75,000 or greater 28.97 (113) 27.26 (59) 34.49 (48) 17.04 (6)

Notes. Data from 2016-2018 are pooled. % = Proportion of latent class. Estimates are weighted to account for NSDUH’s complex sampling design.