Predicting tar yields | Predicting nicotine yields | |||||||
---|---|---|---|---|---|---|---|---|
Percent ventilation | -0.79 (−0.97 to −0.61) | −0.86 (−1.04 to −0.68) | −0.65 (−0.81 to −0.49) | −0.60 (−0.76 to −0.44) | −0.83 (−1.03 to −0.63) | −0.86 (−1.04 to −0.68) | −0.70 (−0.88 to −0.52) | −0.63 (−0.81 to −0.45) |
Percent nicotine (mg nicotine/mg tobacco) | −0.16 (−0.34 to 0.02) | NA | −0.57 (−0.81 to −0.33) | −0.55 (−0.77 to −0.33) | −0.05 (−0.25 to 0.15) | NA | −0.40 (−0.68 to −0.12) | −0.36 (−0.6 to −0.12) |
Total nicotine (nicotine/cigarette (mg)) | NA | 0.07 (−0.09 to 0.23) | 0.48 (0.26 to 0.70) | 0.50 (0.30 to 0.70) | NA | 0.13 (−0.05 to 0.31) | 0.41 (0.15 to 0.67) | 0.45 (0.23 to 0.67) |
Filter weight (mg) | NA | NA | NA | −0.16 (−0.30 to −0.02) | NA | NA | NA | −0.26 (−0.42 to −0.10) |
Intercept | 16.9 | 11.18 | 16.9 | 20.5 | 1.18 | 0.86 | 1.18 | 1.64 |
RMS error | 1.79 | 1.85 | 1.44 | 1.36 | 0.15 | 0.15 | 0.14 | 0.12 |
R 2 (all p<0.0001) | 0.76 | 0.74 | 0.85 | 0.87 | 0.73 | 0.74 | 0.79 | 0.85 |
NA = not applicable.