Table 1.

Eligibility criteria for cases

Inclusion criteria	Exclusion criteria
Self-reported as female Age ≥18 years and ≤75 years Meet either the 1997 American College of Rheumatology revised criteria or the Systemic Lupus Erythematosus International Collaborating Clinics criteria for SLE Self-reported as African American or black Able to take part in assessment activities (self-reported questionnaires)	Being a prisoner or institutionalised individual Unwilling or unable to give consent Current chronic infection or the development of any infection within 14 days of the initial visit, as reported by the participant Current malignancy, as reported by the participant Any physical, mental or other factor that in the judgement of the PI will impact participant safety, privacy or data integrity

PI, Principal Investigator.