Callbacks and duration of contact with BC poison centre for children aged 4 years or less, by nicotine concentration of the electronic nicotine delivery system product ingested*
| Variable | Nicotine concentration, mg/mL; no. (%) of children | |||
|---|---|---|---|---|
| 0.1–5 n = 7 | 6–17 n = 30 | 18–23 n = 11 | ≥ 24 n = 1 | |
| No. of callbacks | ||||
| 0 | 5 | 11 | 2 | 0 |
| 1 | 1 | 9 | 5 | 1 |
| 2 | 1 | 7 | 2 | 0 |
| 3 | 0 | 1 | 1 | 0 |
| 4 | 0 | 1 | 0 | 0 |
| 5 | 0 | 1 | 0 | 0 |
| 6 | 0 | 0 | 1 | 0 |
| Interval between time of exposure and time of last call, min | – | – | – | 78 |
| Percentile | ||||
| 25th | 30.0 | 21.0 | 62.3 | |
| 50th | 45.0 | 77.2 | 108.7 | |
| 75th | 93.0 | 127.2 | 196.5 | |
| 95th | 216.6 | 265.9 | 1244.3 | |
↵* Cases in which the concentration of the electronic nicotine delivery system product was known.