The intersection of internalizing symptoms and alcohol use during the COVID-19 pandemic: A prospective cohort study.

"Declaration of Competing Interest JM is a principal in BEAM Diagnostics, Inc. and a Consultant to Clairvoyant Therapeutics, Inc. The authors have no other conflicts of interest relevant to this article to disclose."

"Funding: The COMPASS study has been supported by a bridge grant from the 10.13039/501100000035CIHR Institute of Nutrition, Metabolism and Diabetes (INMD) through the “Obesity – Interventions to Prevent or Treat” priority funding awards (OOP-110788; awarded to SL), an operating grant from the CIHR 10.13039/501100000036Institute of Population and Public Health (IPPH) (MOP-114875; awarded to SL), a 10.13039/501100000024CIHR project grant (PJT-148562; awarded to SL), a CIHR bridge grant (PJT-149092; awarded to KP/SL), a 10.13039/501100000024CIHR project grant (PJT-159693; awarded to KP), and by a research funding arrangement with 10.13039/501100000008Health Canada (#1617-HQ-000012; contract awarded to SL), a CIHR-Canadian Centre on Substance Abuse (CCSA) team grant (OF7 B1-PCPEGT 410-10-9633; awarded to SL), and a SickKids Foundation New Investigator Grant, in partnership with CIHR 10.13039/501100000031Institute of Human Development, Child and Youth Health (IHDCYH) (Grant No. NI21-1193; awarded to KAP) funds a mixed methods study examining the impact of the COVID-19 pandemic on youth mental health, leveraging COMPASS study data. The COMPASS-Quebec project additionally benefits from funding from the Ministère de la Santé et des Services sociaux of the province of Québec, and the Direction régionale de santé publique du CIUSSS de la Capitale-Nationale."