Table 4: Patients’ demographic characteristics across class designation. Each individual latent class is described according to demographic characteristics. The characteristics for the entire studied population are shown in the last column. All percentages have been rounded up to the nearest tenth of decimal point and may not add up to 100 percent.

Class Total 
613
0: no dysfunction
23 (3.2%)
1: low dysfunction
119 (17.8%)
2: moderate dysfunction
314 (53.2%)
3: high dysfunction
157 (25.8%)

Race/ethnicity
 Black7 (30.4%)17 (14.3%)56 (17.8%)30 (19.1%)110
 Hispanic0 (0.0%)0 (0.0%)5 (1.6%)2 (1.3%)7
 Other0 (0.0%)1 (1%)4 (1.3%)0 (0.0%)5
 White16 (69.6%)101 (84.9%)249 (79.3%)125 (79.6%)491
Age
 14–27 years8 (34.8%)49 (41.2%)94 (30%)39 (24.8%)190
 28–32 years4 (17.4%)16 (13.4%)89 (28.3%)29 (18.5%)138
 33–40 years7 (30.4%)22 (18.5%)75 (24%)51 (32.5%)155
 41–48 years4 (17.4%)19 (16%)41 (13.1%)26 (16.6%)90
 49–79 Years2 (1%)20 (16.8%)33 (10.5%)15 (9.6%)70
Insurance
 None1 (4.3%)2 (1.7%)5 (1.6%)1 (1%)9
 Private16 (69.6%)72 (60.5%)126 (40.1%)35 (22.3%)249
 Public6 (26.1%)30 (25.2%)135 (43%)73 (46.5%)244
 Charity2 (8.7%)21 (17.6%)62 (19.7%)50 (31.8%)135
Education
 Less than high school3 (13%)3 (2.5%)35 (11.4%)25 (15.9%)66
 Graduated HS/GED5 (21.7%)53 (44.5%)139 (44.3%)82 (52.2%)279
 Associate degree6 (26.1%)38 (31.9%)97 (31%)39 (24.8%)180
 Bachelor’s degree9 (39.1%)15 (12.6%)29 (9.2%)7 (4.5%)60
 Graduate school 1 (4.3%)14 (11.8%)15 (4.8%)3 (1.9%)33