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Demographics of study participants.
| Race/ethnicity | N(%) | Mean age (SD) | Mean number of ACR criteria (SD) | Female (%) |
|---|---|---|---|---|
| EA | 836 (46.4%) | 43.17 (13.63) | 5.11 (1.4) | 89 |
| AA | 618 (34.3%) | 40.7 (12.4) | 5.2 (1.4) | 92 |
| HI | 255 (14.1%) | 37.92 (12.82) | 5.25 (1.55) | 89 |
| Other | 93 (5.2%) | 39.9 (12) | 5.04 (1.4) | 94 |
|
| ||||
| Total | 1803 (100%) | 51.76 (15.45) | 5.15 (1.41) | 90 |
EA: European American, AA: African American, HI: Hispanic, Other: mixed race/ethnicity, American Indian, Asian, and unknown.
