TABLE Y
Relationship between mutagenicity and chemical composition
of tobacco and smoke - The significance of correlation
coefficients-from_regression lines and Spearman rank tests
Comparison between Correlation coefficients from
mutagenicity ( ITO
Regression lines Spearman tests
and
r r
s
Smoke
Nicotine - mg/cigt 0.06 -0.31
TPH mg/ci gt -0.07 0.08
Tar mg/cigt -0.00 -0.14
Tar/nicotine ratio -0.27 -0.69*
Acetaldehyde - ug/cigt 0.09 0.17
Total aldehydes - ug/cigt 0.18 0.31
Acrol ei - ug/ci gt -0.50 -0.26
Tobacco
Total alkaloids - % -- 0.19 -0.11
Reducing sugars - % -0.40 -0.73*
Total nitrogen - % 0.86** 0.72*
Protein'nitrogen - % 0.86** 0.66*
Significant at p<0.01
**-Significant at P.,_, 0.001
C:)
(-P4
CN
M-)
BATCo document for Province of British Columbia 15 April 1999