From: Refinement of cg05575921 demethylation response in nascent smoking
 | W1 | W2 | W3 |
---|---|---|---|
Positive cotinine | Â | Â | Â |
 Denied smoking | 25 | 37 | 58 |
 Reported smoking | 13 | 8 | 17 |
 Denied nicotine use | N/A | 34 | 39 |
 Reported nicotine use | N/A | 17 | 33 |
Positive cannabinoid | Â | Â | Â |
 Denied cannabis use | 6 | N/A | 16 |
 Reported cannabis use | 13 | N/A | 44 |