Table 2.

Bias assessment of longitudinal studies investigating the impact of cannabis legalization public health outcomes used for primary analyses.

First Author	Year	Representativeness	Sample Size	Non-respondents	Ascertainment	Comparability	Assess outcome	Statistical test	Follow-up time frame	Score
Alcocer	2020	1	1	1	2	2	2	1	2	12
Alley	2020	1	1	0	2	2	2	1	2	11
Bae	2019	1	1	1	2	2	2	1	2	12
Benedetti	2021	1	1	1	2	2	2	1	1	11
Bhave	2020	1	1	0	2	2	2	1	1	10
Cerdà	2020	1	1	1	2	2	2	1	2	12
Cerdà	2017	1	1	1	2	2	2	1	1	11
Chan	2020	1	1	1	2	2	1	1	2	10
Coley	2021	1	1	1	2	2	2	1	0	10
Delling	2019	1	1	1	2	2	2	1	1	11
Doucette	2021	1	1	1	2	2	2	1	2	12
Drake	2021	1	1	1	2	1	0	1	1	8
Kamer	2020	1	1	0	2	1	2	1	2	10
Kerr	2017	1	1	1	2	2	2	1	0	10
Kim	2021	1	1	1	2	2	2	1	2	12
Kropp Lopez	2020	1	1	1	1	0	2	0	2	8
Lane	2019	1	1	0	2	0	2	1	1	8
Lopez	2021	1	1	0	1	2	2	1	1	9
Lu	2018	1	1	1	2	0	2	1	2	10
Lu	2020	1	1	1	2	1	2	1	2	11
Masonbrink	2021	1	1	1	2	2	2	1	2	12
Matthay	2021	1	1	1	2	2	2	1	2	12
McMichael	2020	1	1	1	2	1	2	1	1	10
Mennis	2021b	1	1	1	1	1	2	1	1	9
Mennis	2021a	1	1	1	2	1	2	1	1	10
Miller	2017	1	1	0	2	2	2	1	2	11
Shi	2020	1	1	1	2	2	2	1	1	11
Shi	2019	1	1	1	2	2	2	1	1	11
Veligati	2020	1	1	1	2	2	2	1	2	12
Wallace	2020	1	1	0	1	0	1	1	0	5
Weinberger	2022	1	1	1	2	1	2	1	2	11
Wen	2021	1	1	1	1	1	1	1	1	8