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. Author manuscript; available in PMC: 2023 Jul 21.
Published in final edited form as: Arthritis Care Res (Hoboken). 2022 Mar 3;74(4):588–597. doi: 10.1002/acr.24501

Table 1.

Baseline characteristics of participants (N=348).

Mean (SD) or % All Sites
HSS
N = 82
JH
N = 217
UAB
N = 49
Age (years) 57 (14) 56 (15) 56 (14) 60 (10)
Female (%) 81% 85% 80% 78%
Race (%)
  American Indian or Native Alaskan 2% <1% 3% --
  Asian 5% 9% 5% --
  Black 14% 11% 13% 20%
  White 77% 71% 79% 80%
  Other 2% 2% 2% --
  Declined 2% 6% <1% --
Education > High school (%) 79% 91% 76% 73%
Employment (%)
  Full time 36% 44% 35% 27%
  Part time 8% 6% 9% 6%
  Retired 23% 26% 25% 12%
  Disabled because of RA 22% 14% 19% 49%
  Other 11% 9% 12% 6%
Urban residence 80% 90% 76% 82%
RA duration (years) 14 (11) 13 (12) 13 (10) 17 (12)
Patient Global Disease Activity (0–100) 30 (27) 27 (23) 32 (28) 28 (27)
Patient Global Disease Activity (0–10) 3.2 (2.6) 2.7 (2.3) 3.2 (2.8) 3.8 (2.5)
Swollen Joints (0–28) 2.5 (3. 5) 2.0 (3.1) 2.8 (3.6) 2.1 (3.5)
Tender Joints (0–28) 2.2 (3.8) 1.4 (3.3) 2.2 (3.5) 3.9 (5.2)
MD Global Assessment (0–10) 1.9 (1.9) 3.0 (2.1) 1.5 (1.5) 2.0 (2.3)
Clinical Disease Activity Index (0–76) 10.3 (7.9) 10.2 (6.9) 10.1 (7.7) 11.6 (10.1)
*

HSS, Hospital for Special Surgery; JH, Johns Hopkins; UAB, University of Alabama at Birmingham.