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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2020 May 14;72(7):925–932. doi: 10.1002/acr.24091

Table 3:

Univariate Analysis – Outcome Variable: HOOS/KOOS pain score at 1 year, Linear Regression; n=115

Univariate variable, level Estimate (standard error) p-value
Age 0.26 (0.11) 0.02
Sex, Female vs. Male −6.79 (3.49) 0.06
Race, Black vs. White −11.96 (4.35) 0.007
Other vs. White −6.16 (4.57) 0.18
Ethnicity, Hispanic or Latino vs Not Hispanic nor Latino −10.35 (5.15) 0.04
BMI −0.47 (0.18) 0.01
RA Criteria, criteria 1987 vs Meets BOTH criteria 1.26 (4.02) 0.76
criteria 2010 vs Meets BOTH criteria −1.49 (3.17) 0.64
does not meet criteria vs. Meets BOTH criteria 4.92 (3.62) 0.18
Steroids, No vs. Yes −1.56 (2.58) 0.55
Biologic, No vs. Yes 0.73 (2.54) 0.77
Flare, No flare vs Yes flare 6.16 (2.58) 0.02
DAS28-ESR at baseline −2.94 (1.02) 0.005
CDAI at baseline −0.19 (0.12) 0.12
MDHAQ at baseline −1.51 (0.81) 0.07
RAPID3 at baseline −0.43 (0.23) 0.07
RADAI at baseline −0.29 (0.15) 0.06
MDTJC at baseline −0.50 (0.27) 0.07
HOOS/KOOS pain at baseline 0.19 (0.08) 0.02
HOOS/KOOS function at baseline 0.15 (0.06) 0.02

HOOS/KOOS = hip disability/knee injury osteoarthritis outcome score; BMI = body mass index; RA = rheumatoid arthritis; DAS28-ESR = disease activity score 28-erythrocyte sedimentation rate; CDAI = clinical disease activity index; MDHAQ = multi-dimensional health assessment questionnaire; RAPID3 = routine assessment of patient index data; RADAI = RA disease activity index; MDTJC = MD tender joint count