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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: Semin Arthritis Rheum. 2011 Mar 22;41(1):38–47. doi: 10.1016/j.semarthrit.2011.01.002

Table 4.

Multivariate analysis of demographic, clinical, patient-reported clinical outcomes, and psychosocial correlates of work disability at enrollment, based on forward hierarchical models

Characteristics Odds ratio 95 % Confidence interval p-value
Educational status 0.22 0.12, 0.43 <0.001
Medsger Lung Severity Index 1.50 1.14, 1.99 0.004
Fatigue Severity Scale 2.18 1.51, 3.14 <0.001
ISEL 0.66 0.54, 0.82 <0.001