Table 1 Demographic and clinical characteristics of the 48 RA participants

Demographics

Age, years

55.0 [41.5, 64.8]

Female, %

95.8

BMI, kg/m²

26.6 [22.4, 32.8]

Race and ethnicity, %

 White

52.1

 Black or African American

12.5

 Asian

6.3

 Hispanic or Latino

25.0

 Other

4.2

RA-related Factors

Clinical Disease Activity Index (CDAI)^a

5.0 [2.0, 12.0]

RA Duration, years

9.8 [4.0, 16.2]

Tender joint count ^a

1.0 [0, 4.5]

Swollen joint count ^a

0 [0, 2.0]

Seropositivity, %

70.8

Medication use, %

 Biologic & targeted synthetic DMARDs

54.2

 Conventional DMARDs

62.5

 Steroids ^b

12.5