American Association for Cancer Research

Table 2.

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

	Nitrate	NNK	NNN	N-nitrosoanabasine	N-nitrosoanatabine	IARC 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^†

	Nitrate	NNK	NNN	N-nitrosoanabasine	N-nitrosoanatabine	IARC 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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