Table 6

Linear regression of diagnostic confidence based on patient-specific and physician-specific characteristics

Regression coefficientP value
Unadjusted model
Patient characteristics
 Age−0.0060.49
 Patient male gender0.680.012
 Any autoantibody−0.120.67
 Environmental exposure−2.44<0.001
 Ever smoker−1.39<0.001
Physician characteristics
 Physician male gender0.370.19
 Years of experience−0.05<0.001
 Academic centre practice2.34<0.001
Multivariate model
Patient age−0.03<0.001
Patient male gender2.10.000
Exposure−3.27<0.001
Ever smoker−1.50<0.001
Physician male gender0.810.005
Years of experience−0.390.004
Academic centre practice2.21<0.001