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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Am J Med. 2013 Dec;126(12):1089–1098. doi: 10.1016/j.amjmed.2013.09.002

Table 3b.

Achievement of remission by race and ethnicity

2005-2007 2010-2012

% 95% CI Pairwise P value Overall P value % 95% CI Pairwise P value Overall P value
Unadjusted Rates
All patients 21.6 (20.8-22.4) <0.001 28.5 (27.9-29.1) <0.001
    White 22.4 (21.5-23.3) 29.2 (28.5-29.9)
    Black 15.1 (12.1-18) <0.001 23.4 (21.2-25.7) <0.001
    Hispanic 16.2 (13.4-19) <0.001 23.6 (20.9-26.3) <0.001
    Asian 23.5 (17.3-29.7) 0.952 31.3 (26.2-36.5) 0.253
Adjusted Rates
Model 1 0.002 <0.001
    White 21.4 (18.3-24.6) 29.0 (26.2-31.8)
    Black 14.7 (10.8-18.6) <0.001 22.8 (19.4-26.2) <0.001
    Hispanic 20.3 (16-24.6) 0.509 24.2 (20.4-27.9) 0.002
    Asian 23.8 (17-30.6) 0.427 28.4 (22.8-34) 0.813
Model 2 0.021 0.001
    White 20.9 (17.8-24.1) 28.4 (25.8-30.9)
    Black 15.4 (11.4-19.5) 0.002 23.7 (20.4-26.9) <0.001
    Hispanic 20.9 (16.5-25.3) 0.968 24.4 (20.8-28) 0.011
    Asian 22.3 (15.8-28.9) 0.633 27.0 (21.7-32.3) 0.578
Model 3 0.004 <0.001
    White 21.7 (18.7-24.8) 27.9 (25.3-30.4)
    Black 15.3 (11.4-19.2) <0.001 22.2 (19.1-25.3) <0.001
    Hispanic 21.4 (17.1-25.8) 0.865 24.1 (20.6-27.6) 0.022
    Asian 23.4 (16.9-30) 0.570 27.7 (22.6-32.8) 0.629
Model 4 0.006 <0.001
    White 21.2 (18.1-24.2) 27.5 (24.9-30.2)
    Black 15.1 (11.2-19) 0.001 21.6 (18.4-24.8) <0.001
    Hispanic 20.4 (16.2-24.6) 0.623 23.2 (19.6-26.8) 0.004
    Asian 23.4 (16.8-30) 0.450 26.3 (21.1-31.6) 0.620
Model 5 0.028 0.001
    White 20.9 (18-23.8) 27.4 (24.9-29.8)
    Black 15.7 (11.8-19.6) 0.003 22.7 (19.5-25.8) <0.001
    Hispanic 21.2 (17-25.5) 0.861 24.6 (21-28.2) 0.064
    Asian 21.9 (15.7-28.2) 0.720 25.3 (20.3-30.2) 0.363

Note: Remission defined as the Clinical Disease Activity Index Score ≤2.8

Values are the mean with 95% confidence intervals.

Adjusted models included a series of five mixed model linear regression models including: practice setting (Model 1), patient demographic/socioeconomic factors (Model 2); markers of rheumatoid arthritis severity (Model 3), current rheumatoid arthritis severity treatment (Model 4) and all significant factors (p<0.05) from Models 1 through 4 (Model 5)