Table 1 Prevalent systemic lupus erythematosus cohort description (n = 397)
Total cohort | White/other | Black | p | |
|---|---|---|---|---|
n = 397 | n = 241 | n = 156 | ||
Age category | ||||
18–29 | 54 (13.6%) | 30 (12.5%) | 24 (15.4%) | < 0.001 |
30–40 | 96 (24.2%) | 50 (20.8%) | 46 (29.5%) | |
40–60 | 175 (44.1%) | 102 (42.3%) | 73 (46.8%) | |
60–80 | 67 (16.9%) | 56 (23.2%) | 11 (7.1%) | |
80+ | 5 (1.3%) | 3 (1.2%) | 2 (1.3%) | |
Female | 361 (90.9%) | 219 (90.9%) | 142 (91.0%) | 0.96 |
Race | ||||
White | 221 (55.7%) | 221 (91.7%) | NA | < 0.001 |
Black | 156 (39.3%) | NA | 156 (100%) | |
Other | 20 (5.0%) | 20 (8.3%) | NA | |
Ethnicity | ||||
Hispanic | 17 (4.3%) | 16 (6.6%) | 2 (1.3%) | 0.01 |
RUCA | ||||
Urban | 329 (82.9%) | 175 (72.6%) | 154 (98.7%) | < 0.001 |
Suburban | 36 (9.1%) | 36 (14.9%) | 0 (0%) | |
Large town | 15 (3.8%) | 14 (5.8%) | 1 (0.6%) | |
Small town | 17 (4.3%) | 16 (6.6%) | 1 (0.6%) | |
Smoking (ever) | 168 (42.3%) | 103 (43%) | 65 (42%) | 0.60 |
Payer | ||||
Commercial | 176 (44.3%) | 139 (57.7%) | 37 (23.7%) | < 0.001 |
Medicaid | 71 (17.9%) | 24 (10.0%) | 47 (30.1%) | |
Medicare | 142 (35.8%) | 72 (29.9%) | 70 (44.9%) | |
Uninsured/unknown | 8 (2.0%) | 6 (2.5%) | 2 (0.06%) | |
Neighborhood disadvantage by ADI quartile | ||||
1st (least disadvantage) | 93 (25.0%) | 83 (34.4%) | 10 (6.4%) | < 0.001 |
2nd | 93 (25.0%) | 78 (32.4%) | 15 (9.6%) | |
3rd | 93 (25.0%) | 54 (22.4%) | 39 (25.0%) | |
4th (most disadvantage) | 93 (25.0%) | 13 (5.4%) | 80 (51.3%) | |
Positive ACR criteria | 365 (91.9%) | 210 (87.1%) | 148 (94.9%) | 0.02 |