Table 5:

Symptoms and care trajectories for the 49 exposures in children aged 4 years or less for which the nicotine concentration was available or could be estimated, by nicotine concentration of the product ingested

Variable	Nicotine concentration, mg/mL; no. (%) of children^*
Variable	0.1–5 n = 7	6–17 n = 30	18–23 n = 11	≥ 24 n = 1
Symptoms^†
Present	0 (0)	1 (3)	3 (27)	0 (0)
Absent	7 (100)	22 (73)	5 (45)	0 (0)
Not recorded	0 (0)	7 (23)	3 (27)	1 (100)
Care trajectory^‡
Managed outside health care facility	3 (43)	19 (63)	7 (64)	1 (100)
Seen at health care facility	3 (43)	8 (27)	3 (27)	0 (0)
Admitted	0 (0)	0 (0)	1 (9)	0 (0)
Lost to follow-up	1 (14)	3 (10)	0 (0)	0 (0)

↵* Three children who ingested electronic cigarette products were admitted to hospital, but no product nicotine concentration was recorded.
↵† Cochran–Armitage test for trend = 7.73, 2 degrees of freedom, p = 0.02.
↵‡ Cochran–Armitage test for trend = 5.36, 6 degrees of freedom, p = 0.5.