Table 1.

Search strategy for MEDLINE (Ovid)

Number	Searches
1.	(canad* or “british columbia*” or “Colombie britannique” or alberta* or saskatchewan* or manitoba* or ontari* or quebec* or “nouveau brunswick” or “nova scotia*” or “nouvelle ecosse” or “prince edward island*” or newfoundland* or labrador* or nunavu* or nwt or “northwest territori*” or yukon* or nunavik or inuvialuit).tw, kf, jw, nw.
2.	exp Canada/
3.	1 or 2 [Canada]
4.	“delta(9)-tetrahydrocannabinolic acid”.nm. or (cannabi* or dronabinol or ha?chi?ch$1 or hashis?h$1 or hash or mari#uana* or tetrahydrocannabi* or tetra hydro cannabi*or THC or bhang or bhangs or cesamet or dexanabinol or dronabinol or ganja or ganjas or hemp or marinol or nabilone or nabiximol* or sativex or indica or sativa or CBD).tw, kf. or (tetrahydro adj cannabi*).tw, kf. or ((blunt or blunts or pot) adj2 smok*).tw, kf.
5.	exp cannabinoids/ or cannabis/ or “marijuana abuse”/ or exp “marijuana use”/ or “medical marijuana”/ or “cannabinoid receptor agonists”/ or “marijuana abuse”/
6.	4 or 5 [Cannabis]
7.	(teen* or youth* or adolescen* or child* or puberty or pubescen* or juvenile* or (young adj2 (adult* or person* or individual* or people* or population* or man or men or wom#n)) or youngster* or highschool* or college* or universit* or ((secondary or high*) adj2 (school* or education)) or “emerging adult*").tw, kf.
8.	adolescent/ or young adult/ or child/ or Adolescent Health Services/
9.	7 or 8 [Youth]
10.	3 and 6 and 9
11.	limit 10 to yr=“2000 -Current”