Table 1.
Vaping behavior/topography of E-cigarette users.
| Study | Number of subjects | Number of Vaping Events / Day | Number of Puffs / Vaping Event | Number of Puffs / Day | Puff Duration (s) | Puff Volume (mL) |
|---|---|---|---|---|---|---|
| Etter, 2010 | 81 | NAa | NA | Median 175, with a range of 10 - 600 | NA | NA |
| Etter and Bullen, 2011 | 31 | NA | NA | Median 200, with a range of 50 - 1000 | NA | NA |
| Farsalinos et al., 2013 | 45 | NA | NA | NA | 4.2 ± 0.7 | NA |
| Hua et al, 2013 | 64 | NA | NA | NA | 4.3 ± 1.5 | NA |
| Etter, 2014 | 71 | NA | NA | Median 150, with the 95% CI of 169-271 | NA | NA |
| Our Study | 10 | 6.4 ± 5.1 | 12.7 ± 4.8 | Simulated (see Figure 1) | 3.3 ± 1.4 | 80.4 ± 51.4 |
a
Not reported.