Table 2:

Characteristics of exposures to electronic nicotine delivery systems, symptoms and care trajectories, by age group

CharacteristicAge group, yr; no. (%) of people
≤ 4
n = 81
5–14
n = 7
15–19
n = 18
20–24
n = 7
≥ 25
n = 31
Unknown
n = 42
Total
n = 186
Cause of exposure
 Accidental access*77 (95)4 (57)2 (11)0 (0)0 (0)2 (5)85 (45.7)
 Handling device0 (0)1 (14)3 (17)1 (14)1 (3)4 (10)10 (5.4)
 Intentional inappropriate use0 (0)1 (14)1 (6)1 (14)2 (6)2 (5)7 (3.8)
 Making e-juice0 (0)0 (0)0 (0)0 (0)1 (3)0 (0)1 (0.5)
 E-cigarette malfunction1 (1)0 (0)2 (11)0 (0)7 (23)7 (17)17 (9.1)
 Mistaken identity1 (1)0 (0)0 (0)1 (14)4 (13)6 (14)12 (6.4)
 Spill1 (1)0 (0)1 (6)2 (29)4 (13)5 (12)13 (7.0)
 Usual e-cigarette use0 (0)0 (0)7 (39)1 (14)10 (32)7 (17)25 (13.4)
 Other/not recorded1 (1)1 (14)2 (11)1 (14)2 (6)9 (21)16 (8.6)
Vehicle of exposure
 E-cigarette device19 (23)0 (0)12 (67)3 (43)19 (61)21 (50)74 (39.8)
 E-cigarette cartridge11 (14)1 (14)1 (6)1 (14)1 (3)2 (5)17 (9.1)
 Bottled e-juice50 (62)6 (86)5 (28)3 (43)11 (35)18 (43)93 (50.0)
 Other/not recorded1 (1)0 (0)0 (0)0 (0)0 (0)1 (2)2 (1.1)
Route of exposure§
 Dermal6 (7)1 (14)2 (11)2 (29)4 (13)7 (17)22 (11.8)
 Ingestion72 (89)6 (86)8 (44)4 (57)14 (45)18 (43)122 (65.6)
 Inhalation2 (2)0 (0)8 (44)1 (14)10 (32)7 (17)28 (15.0)
 Nasal0 (0)0 (0)0 (0)0 (0)1 (3)0 (0)1 (0.5)
 Ocular1 (1)0 (0)0 (0)0 (0)2 (6)9 (21)12 (6.4)
 Vaginal0 (0)0 (0)0 (0)0 (0)0 (0)1 (2)1 (0.5)
Symptoms present
 Yes9 (11)3 (43)16 (89)4 (57)27 (87)28 (67)87 (46.8)
 No54 (67)4 (57)1 (6)2 (29)2 (6)7 (17)70 (37.6)
 Not recorded18 (22)0 (0)1 (6)1 (14)2 (6)7 (17)29 (15.6)
Care trajectory
 Managed outside of health care facility**50 (62)6 (86)12 (67)6 (86)24 (77)33 (79)131 (70.4)
 Treated/evaluated at health care facility and released22 (27)0 (0)2 (11)0 (0)5 (16)3 (7)32 (17.2)
 Admitted to noncritical care unit2 (2)1 (14)2 (11)1 (14)1 (3)1 (2)8 (4.3)
 Admitted to critical care unit1 (1)0 (0)0 (0)0 (0)0 (0)0 (0)1 (0.5)
 Lost to follow-up6 (7)0 (0)2 (11)0 (0)1 (3)5 (12)14 (7.5)
  • Note: e-cigarette = electronic cigarette.

  • * Accidental acquisition of electronic nicotine delivery system or associated paraphernalia by a person (usually a child) who is not the intended user and subsequent use without the intention of causing harm.

  • Includes cleaning, refilling or otherwise manipulating electronic nicotine delivery system and cartridges.

  • E-juice mistaken for another substance (e.g., eyedrops), frequently housed in a similar container.

  • § Cases with multiple routes of exposure were counted in all applicable categories.

  • Excludes coingestions as these substances may have contributed to symptomatology.

  • ** Includes during emergency transportation.