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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 5.

Demographic, clinical, and psychosocial predictors of work disability based on multivariate Cox regression modeling

Hazard ratio (95% CI) P-value
Ethnicity, Caucasian 0.46 (0.22, 0.96) 0.038
DLCO % predicted value 0.98 (0.97, 0.99) 0.038
Fatigue severity score 1.96 (1.19, 3.25) 0.009