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Table 3 Effect of the length of the occupation in a job at risk of UIP and the risk of UIP, adjusted for sex, age and smoking

From: Occupational risk factors for idiopathic pulmonary fibrosis in Southern Europe: a case-control study

Exposure

OR

95% CI

None

1

 

1–9 years

3.32

1.06–10.33

10–19 years

3.41

1.30–8.95

≥ 20 years

5.01

2.55–9.84

  1. Significant risk estimates in italic