Consumption and mainstream yields; data presented are mean (SD) of n=3 smoking sessions unless otherwise stated
| Consumption/Emissions per smoking session | Units/ Session | CW | EW | CI | EI | P value | |||
| Charcoal versus electric | Water versus ice | ||||||||
| CW:EW | CI:EI | CW:CI | EW:EI | ||||||
| Tobacco and charcoal consumption | |||||||||
| Tobacco consumed | % | 28.5 (2.05) | 70.6 (3.71) | 26.6 (4.40) | 73.1 (2.07) | < 0.001 | < 0.001 | 0.529 | 0.367 |
| Charcoal consumed, n=9 | % | 66.3 (2.81) | 67.4 (2.44) | 0.383 | |||||
| TPM, N, CO, and PAH | |||||||||
| Total particulate matter | g | 1.08 (0.250) | 0.880 (0.059) | 0.583 (0.102) | 0.703 (0.061) | 0.115 | 0.330 | 0.003 | 0.164 |
| Nicotine | mg | 0.653 (0.173) | 0.848 (0.015) | 0.550 (0.086) | 0.805 (0.027) | 0.040 | 0.013 | 0.233 | 0.601 |
| CO | mg | 97.4 (0.261) | 12.7 (2.88) | 109 (11.7) | 12.5 (1.34) | < 0.001 | < 0.001 | 0.053 | 0.968 |
| Menthol | mg | 0.144 (0.033) | 0.140 (0.008) | 0.187 (0.037) | 0.187 (0.008) | 0.851 | 0.987 | 0.070 | 0.051 |
| Cotinine | µg | 0.586 (0.180) | 1.09 (0.095) | 0.594 (0.192) | 0.910 (0.374) | 0.004 | < 0.001 | 0.953 | 0.054 |
| Pyrene | ng | 190 (32.7) | 91.7 (14.2) | 192 (31.2) | 90.0 (14.7) | 0.001 | 0.001 | 0.924 | 0.936 |
| Furans | |||||||||
| HMF | µg | 3690 (1010) | 5050 (148) | 3200 (660) | 4660 (265) | 0.028 | 0.021 | 0.363 | 0.464 |
| FFA | µg | 218 (75.0) | 289 (24.0) | 313 (67.2) | 491 (12.9) | 0.134 | 0.003 | 0.055 | 0.001 |
| 2-FA | µg | 101 (32.8) | 179 (18.5) | 84.7 (13.2) | 171 (8.56) | 0.002 | 0.001 | 0.363 | 0.629 |
| 2F | µg | 62.0 (17.8) | 149 (58.2) | 60.8 (16.9) | 163 (15.7) | 0.012 | 0.005 | 0.965 | 0.592 |
| 2-FMK | µg | 5.91 (2.14) | 17.4 (2.52) | 5.94 (1.27) | 27.3 (1.16) | < 0.001 | < 0.001 | 0.985 | < 0.001 |
| 5 M-2-F | µg | 36.1 (13.8) | 113 (24.1) | 41.0 (10.5) | 142 (3.32) | < 0.001 | < 0.001 | 0.696 | 0.044 |
Bold font shows mean differences that are significant at p<0.05 level.
CI, charcoal with ice; CO, carbon monoxide; CW, charcoal with water; EI, electric with ice; EW, electric with water; 2F, furfural; FFA, furfuryl alcohol; HMF, 5-Hydroxymethylfurfural; N, nicotine; PAH, polycyclic aromatic hydrocarbon; TPM, total particulate matter.