Visit 1 2 3 4
Cigarette Type FM PMM PMM PMM
Experimental Day 1 5 10 15
Self-Reported CPD 22 (8) 21 (9) 22 (7) 22 (7)
CO Boost (ppm) 7.2 (1.5) 5.3 (4.6) 4.3 (2.8) 4.0 (1.9)
Nicotine Boost  (ng/mL) 17.7 (4.1) 14.9 (5.1) 16.2 (11.0) 15.0 (9.8)
Cotinine  (ng/mL) 361 (90) 352 (221) 305 (164) 277 (143)
Table 1: Toxicants exposure and CPD by cigarette and visit, FM: Factory Made Cigarette; PMM: Personal Machine Made Cigarette, Arithmetic means with standard deviations are reported.