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Table 2.

Pearson product moment correlations (r) of mainstream smoke emission constituents and tobacco content in research cigarettes made from different tobacco varieties

NitrateNNKNNNN-nitrosoanabasineN-nitrosoanatabineIARC 10 PAHs*
NNK 0.97      
NNN 0.39 0.46     
N-nitrosoanabasine 0.34 0.28 0.98    
N-nitrosoanatabine 0.35 0.33 0.98 1.00   
IARC 10 PAHs −0.96 −0.98 −0.17 −0.12 −0.12  
Remaining 11 PAHs −0.66 −0.78 0.37 0.40 0.40 0.99 
NitrateNNKNNNN-nitrosoanabasineN-nitrosoanatabineIARC 10 PAHs*
NNK 0.97      
NNN 0.39 0.46     
N-nitrosoanabasine 0.34 0.28 0.98    
N-nitrosoanatabine 0.35 0.33 0.98 1.00   
IARC 10 PAHs −0.96 −0.98 −0.17 −0.12 −0.12  
Remaining 11 PAHs −0.66 −0.78 0.37 0.40 0.40 0.99 

NOTE: All cigarettes were smoked under ISO smoking regimen. Mainstream smoke emission constituents (TSNAs and PAHs) were normalized by tobacco weight consumed during smoking. Nitrate contents were normalized by tobacco weight.

*

Ten PAHs listed in IARC monograph 83.

Statistical significant (P < 0.01).

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