Supplemental Material for
Changes in Emerging Adults’ Alcohol and Cannabis Use From Before to During the COVID-19 Pandemic: Evidence From a Prospective Birth Cohort
Nina Pocuca , Kira London-Nadeau , Marie-Claude Geoffroy , Nicholas Chadi , Jean R. Séguin , Sophie Parent , Michel Boivin , Richard E. Tremblay, Sylvana M. Côté, and
Natalie Castellanos-Ryan
Psychology of Addictive Behaviors,
Vol.
36,
No.
7,
pp.
786–797
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