Table 3. Characteristics of population-based studies and studies of healthy older adults.

Number of studies	Designs	Primary studies (n = 28)
		Type of cannabis use	Funding
29	Systematic review: 1 [44]	Non-medical: 5 [129, 147, 153, 162]	Non-industry: 21 [20, 95, 102, 103, 106, 109, 113, 116, 124, 128, 129, 132, 134, 135, 139, 143, 146, 147, 153, 162]
	RCTs: 1 [20]	Mixed use: 10 [4, 100, 104, 106, 107, 109, 116, 132, 135, 144]	Mixed (industry and non-industry): 1 [96]
	Prospective cohort: 1 [96]	Immediate effects in lab: 1 [20]	Not funded: 2 [104, 107]
	Retrospective cohort: 2 [103, 135]	Not reported: 11 [95, 102, 103, 105, 113, 124, 128, 134, 139, 143, 146]	Not reported: 4 [4, 100, 105, 144]
	Case-control: 2 [129, 147]
	Sequential: 11 [4, 102, 104, 105, 116, 124, 128, 134, 139, 144, 146]
	Cross-sectional: 11 [95, 100, 106, 107, 109, 113, 132, 143, 153, 162]