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Table 4.

Geometric mean and POR with 95% CI for urinary mutagenicity (rev/μmol creatinine in SalmonellaYG1041 +S9) stratified by exposure to wood smoke and smoking

VariableNGM (95% CI)POR (95% CI)
All 132 2.82 (2.37-3.50) — 
Wood smoke*    
    No exposure 34 1.79 (1.26-2.54) 1.00 
    Low exposure 49 2.65 (2.01-3.66) 2.33 (0.83-6.57) 
    High exposure 49 4.22 (3.27-5.45) 5.31 (1.85-15.27) 
Cigarette*    
    Nonsmokers 62 1.73 (1.37-2.18) 1.00 
    Smokers 66 4.23 (3.27-5.25) 4.36 (1.95-9.73) 
VariableNGM (95% CI)POR (95% CI)
All 132 2.82 (2.37-3.50) — 
Wood smoke*    
    No exposure 34 1.79 (1.26-2.54) 1.00 
    Low exposure 49 2.65 (2.01-3.66) 2.33 (0.83-6.57) 
    High exposure 49 4.22 (3.27-5.45) 5.31 (1.85-15.27) 
Cigarette*    
    Nonsmokers 62 1.73 (1.37-2.18) 1.00 
    Smokers 66 4.23 (3.27-5.25) 4.36 (1.95-9.73) 

Abbreviation: GM, geometric mean.

*

Statistically significant difference among means.

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