Table 2:

Counts of adverse health effect terms mentioned in post titles across cannabis forms of use

Adverse Health Effect Terms	Smoking	Prop.	Vaping	Prop.	Edible terms	Prop.	Dabbing	Prop.	Butane hash oil terms	Prop.
anxiety, anxious, panic, nervous ¹	836	0.0051	14	0.0010	37	0.0028	15	0.0014	18	0.0017
throw up, barf, vomit, puke ¹	120	0.0007	0	0.0000	10	0.0007	4	0.0004	0	0.0000
pass out, passed out	121	0.0007	4	0.0003	11	0.0008	9	0.0009	1	0.0001
too high	132	0.0008	4	0.0003	16	0.0012	11	0.0010	5	0.0005
cough ²	300	0.0018	30	0.0022	4	0.0003	30	0.0028	11	0.0010
injury, injure	20	0.0001	2	0.0001	1	0.0001	0	0.0000	4	0.0004
memory, can't remember, couldn't remember	189	0.0011	4	0.0003	4	0.0003	5	0.0005	1	0.0001
paranoia, paranoid, psychotic	312	0.0019	8	0.0006	10	0.0007	0	0.0000	0	0.0000
Sum of adverse effect term occurrences	2030	0.0123	66	0.0048	93	0.0069	74	0.0070	40	0.0037
Total possible post titles with cannabis form	165,185		13,647		13,390		10,574		10,686

Prop. = Proportion of total possible post titles also mentioning cannabis form of use key search terms

No significant differences across forms of use when compared to smoking proportion

May include posts where cannabis was used to address feelings of anxiety or nausea prior to use

Does not include mentions of “strawberry cough,” a cannabis strain