Table 3 Ratios of mean urinary cotinine concentration for nicotine yield by nicotine dependence
Machine measured nicotine yield | Ratio of mean urinary cotinine concentration | ||||||||
|---|---|---|---|---|---|---|---|---|---|
FTND score | |||||||||
Category (mean) (mg) | Ratio of mean nicotine yield | Total | |||||||
0–3 | 4–6 | 7–10 | |||||||
0.9–2.4 (1.1) | 1 | 1 | (560) | 1 | (993) | 1 | (1333) | 1 | (1010) |
0.2–0.8 (0.5) | 0.45 | 0.58 | (327) | 0.81 | (808) | 0.92 | (1226) | 0.76 | (770) |
0.1 (0.1) | 0.09 | 0.32 | (179) | 0.53 | (529) | 0.85 | (1138) | 0.53 | (535) |