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Table 3 The association between workplace exposures and risk of lung cancer in a population based case-control study, Greater Toronto Area, Ontario, 1997-2002

From: Lung cancer risk in never-smokers: a population-based case-control study of epidemiologic risk factors

  Total Population n = 1393   Never smokers n = 622  
  Case, n Control, n ORa 95%CI Case, n Control, n ORb 95%CI
  445 948    156 466   
No previous exposures 261 691   Refc 104 371   Refd
Any occupational exposure 191 275 1.6 1.4-2.1 52 95 2.1 1.3-3.3
Ever worked with/been exposed to:       
   Asbestos 31 51 1.1 0.6-2.0 5 16 1.0 0.3-3.0
   Solvents, paints or thinners 107 152 1.6 1.2-2.3 33 54 2.8 1.6-5.0
   Welding equipment 33 43 1.7 1.0-3.0 7 11 3.4 1.1-10.4
   Pesticides 21 24 1.6 0.8-3.1 3 6 1.1 0.2-5.3
   Grain elevator dust 12 19 1.1 0.5-2.4 3 7 1.1 0.3-4.6
   Wood dust 47 80 1.5 1.0-2.4 11 26 1.8 0.8-4.2
   smoke-soot or exhaust 75 99 1.7 1.2-2.5 21 33 2.8 1.4-5.3
   other than tobacco         
  1. aOR is adjusted for pack-years of smoking, age, sex, education and ethnicity
  2. bOR is adjusted for age, sex, education and ethnicity
  3. cReference group consists of all participants with no previous workplace exposures
  4. dReference group consists of never smokers with no previous workplace exposures