Product | Source | Consumable | E-liquid nicotine (mg/mL) | Puffs per product/cartridge | Puffs per tobacco pod |
---|---|---|---|---|---|
3R4F reference cigarette | University of Kentucky | N/A | N/A | 10 | N/A |
iSwitch Maxx e-cigarette | British American Tobacco | Virginia tobacco | 5 | 80 | N/A |
glo THP | British American Tobacco | Bright tobacco Neostiks | N/A | 8 | N/A |
glo sens THP | British American Tobacco | Mixed fruit | 0 | 150 | 50 |
Puffs | 3R4F | glo sens | iSwitch Maxx | Air | ||||
---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Δ |
||||||||
50 | −9.11 | 1.88 | 1.22 |
1.69 | −0.15 |
1.79 | 1.36 |
2.42 |
100 | −8.90 | 2.86 | 0.72 |
1.53 | −0.04 |
1.96 | 1.52 |
1.39 |
200 | −15.55 | 2.84 | 0.28 |
1.24 | −0.86 |
2.07 | 1.75 |
1.67 |
400 | −22.73 | 3.05 | 0.69 |
1.35 | −2.11 |
2.74 | 2.11 |
2.66 |
Δ |
||||||||
50 | 5.39 | 1.24 | −0.15 |
0.49 | −0.16 |
0.18 | −0.15 |
0.29 |
100 | 4.48 | 1.69 | −0.03 |
0.25 | −0.04 |
0.20 | −0.07 |
0.35 |
200 | 8.93 | 1.72 | −0.09 |
0.27 | −0.20 |
0.29 | −0.14 |
0.35 |
400 | 11.50 | 1.39 | −0.21 |
0.32 | −0.49 |
0.36 | −0.21 |
0.39 |
Δ |
||||||||
50 | 18.35 | 2.68 | −0.65 |
0.68 | −1.10 |
0.77 | −0.66 |
0.96 |
100 | 17.90 | 3.18 | −0.24 |
0.45 | −0.15 |
0.76 | −0.44 |
0.84 |
200 | 19.68 | 2.73 | −0.88 |
1.11 | −0.89 |
1.24 | −0.93 |
0.95 |
400 | 14.53 | 3.92 | −1.35 |
0.69 | −1.64 |
1.20 | −1.33 |
1.20 |
Δ |
||||||||
50 | 18.04 | 1.50 | 1.89 |
1.37 | 1.94 |
1.11 | 2.32 |
2.03 |
100 | 21.57 | 3.01 | 1.38 |
1.11 | 1.77 |
1.12 | 2.19 |
1.93 |
200 | 26.86 | 2.44 | 1.62 |
1.02 | 2.26 |
1.51 | 2.62 |
1.90 |
400 | 29.68 | 2.31 | 1.99 |
0.87 | 3.44 |
2.13 | 3.23 |
1.79 |
Product | Regime | Puff volume (mL) | Puff duration (s) | Puff interval/frequency (s) | Vent blocking | Puff profile |
---|---|---|---|---|---|---|
3R4F reference cigarette | HCI | 55 | 2 | 30 | 100% | Bell |
iSwitch Maxx e-cigarette | CRM81 | 55 | 3 | 30 | None | Square |
glo THP | HCIm | 55 | 2 | 30 | None | Bell |
glo sens THP | CRM81 | 55 | 3 | 30 | None | Square |
Hours | 3R4F | glo | glo sens | iSwitch Maxx | DMSO | |||||
---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Δ |
||||||||||
0.25 | −9.00 | 2.19 | −7.76 | 2.45 | −6.98 b | 2.86 | −8.41 | 2.60 | −7.30 b | 2.80 |
0.5 | −10.76 | 2.60 | −9.02 b | 2.27 | −8.35 b | 3.16 | −8.61 b | 2.40 | −8.64 a | 3.27 |
1.0 | −12.87 | 2.50 | −10.26 b | 2.63 | −8.76 a | 5.29 | −9.70 b | 3.65 | −10.01 a | 3.69 |
2.0 | −14.19 | 2.48 | −9.45 a | 2.21 | −8.77 a | 4.50 | −9.33 a | 3.58 | −9.20 a | 2.79 |
4.0 | −15.62 | 2.28 | −8.74 a | 2.45 | −7.63 a | 4.48 | −8.22 a | 3.05 | −8.68 a | 2.70 |
6.0 | −16.76 | 2.54 | −8.13 a | 2.88 | −6.89 a | 4.13 | −7.75 a | 2.91 | −8.29 a | 3.11 |
Δ |
||||||||||
0.25 | 0.49 | 0.83 | −0.29 a | 0.34 | 0.25 | 0.55 | 0.52 | 0.48 | −0.22 a | 0.75 |
0.5 | 1.34 | 0.82 | 0.52 a | 0.85 | 0.33 a | 0.54 | 0.45 a | 0.66 | 0.35 a | 0.98 |
1.0 | 1.78 | 0.81 | 0.16 a | 1.10 | 0.24 a | 0.95 | 0.13 a | 0.56 | 0.35 a | 0.98 |
2.0 | 2.72 | 0.80 | −0.28 a | 1.30 | −0.03 a | 0.63 | 0.08 a | 0.53 | 0.11 a | 1.01 |
4.0 | 4.07 | 0.75 | −0.07 a | 1.35 | 0.03 a | 0.60 | −0.02 a | 0.47 | 0.18 a | 0.81 |
6.0 | 4.98 | 0.79 | 0.12 a | 1.27 | 0.21 a | 0.49 | 0.29 a | 0.58 | 0.41 a | 0.95 |
Δ |
||||||||||
0.25 | 2.66 | 3.49 | −0.70 a | 2.02 | 1.21 b | 1.26 | 1.41 | 1.35 | 0.13 a | 2.39 |
0.5 | 5.86 | 2.17 | 0.70 a | 2.27 | 1.05 a | 1.11 | 1.17 a | 1.91 | 0.84 a | 2.71 |
1.0 | 7.90 | 1.84 | 0.70 a | 2.37 | 0.05 a | 1.51 | 1.61 a | 0.86 | 0.49 a | 2.24 |
2.0 | 9.35 | 2.59 | 0.64 a | 2.06 | 0.38 a | 0.74 | 1.49 a | 1.02 | 0.34 a | 2.61 |
4.0 | 10.20 | 3.21 | −0.10 a | 1.70 | −0.31 a | 0.78 | 0.72 a | 1.28 | −0.36 a | 1.79 |
6.0 | 9.64 | 3.32 | −0.69 a | 1.63 | −0.45 a | 0.45 | −0.38 a | 2.00 | −1.06 a | 2.55 |
Δ |
||||||||||
0.25 | 10.11 | 1.87 | 8.03 b | 2.53 | 7.34 a | 2.52 | 8.66 | 2.59 | 7.70 a | 2.85 |
0.5 | 12.62 | 2.19 | 9.39 a | 2.19 | 8.56 a | 3.04 | 8.96 a | 2.28 | 9.25 a | 2.97 |
1.0 | 15.41 | 1.94 | 10.64 a | 2.48 | 9.02 a | 5.15 | 9.99 a | 3.35 | 10.39 a | 3.47 |
2.0 | 17.47 | 2.03 | 9.78 a | 2.17 | 8.87 a | 4.42 | 9.62 a | 3.28 | 9.63 a | 2.74 |
4.0 | 19.40 | 2.05 | 8.99 a | 2.48 | 7.73 a | 4.42 | 8.36 a | 3.06 | 8.88 a | 2.76 |
6.0 | 20.22 | 2.77 | 8.38 a | 2.97 | 6.99 a | 4.04 | 8.14 a | 2.59 | 8.84 a | 2.96 |