Table 1.
Summary of participant demographics and health system interactions
| Trait | BioMe Biobank cohort 1 | All of Us | BioMe Biobank cohort 2 | |||
|---|---|---|---|---|---|---|
| Autoantibody tested (n = 6171) | Not tested (n = 18,891) | Autoantibody tested (n = 19,264) | Not tested (n = 117,258) | Rheumatology encounter (n = 1564) | No rheumatology encounter (n = 9275) | |
| Age, median (IQR) years | 62 (20) | 60 (25) | 62 (21) | 61 (24) | 59 (23) | 55 (28) |
| Male, n (%) | 1816 (29) | 8155 (43) | 5589 (29) | 45,737 (39) | 570 (30) | 402 (45) |
| Ethnicity, n (%) | ||||||
| African | 1731 (28) | 4805 (25) | 4003 (21) | 12,703 (20) | 368 (20) | 1512 (17) |
| European | 1438 (23) | 5666 (30) | 10,747 (56) | 34,276 (54) | 458 (24) | 2998 (33) |
| Hispanic | 2544 (41) | 6615 (35) | 3212 (17) | 11,633 (18) | 784 (42) | 2819 (31) |
| Other | 458 (7.4) | 1805 (9.6) | 1302 (6.8) | 4628 (7.3) | 260 (14) | 1641 (18) |
| Interactions with health system | ||||||
| Unique ICD-10 codes, median (IQR) | 66 (70) | 31 (42) | 109 (105) | 56 (62) | 61 (52) | 29 (31) |
| Duration, median (IQR) years | 11 (5.6) | 9.2 (6.5) | 14 (12) | 9.1 (9.4) | 7.1 (2.6) | 5.6 (4.7) |
| Encounters, median (IQR) | 106 (143) | 41 (72) | 168 (221) | 75 (104) | 76 (87) | 31 (45) |
Ethnicity, self-reported ethnicity; Other, self-reported ethnicity other than the listed ones, ICD-10, International Classification of Diseases 10, Duration, length of the electronic health record.