Table 3

Multivariate models of OR for a leading diagnosis of IPF (vs non-IPF)

Multivariate model variablesOR95% CIP value
Patient male gender3.052.81 to 3.31<0.001
Age (per year increase)1.041.04 to 1.05<0.001
Any autoantibodies0.740.69 to 0.80<0.001
Ever smoker2.402.22 to 2.59<0.001
Any occupational exposure0.810.74 to 0.89<0.001
Any serum precipitins0.810.75 to 0.88<0.001
  • IPF, idiopathic pulmonary fibrosis.