Perceived impacts of the COVID-19 pandemic on cannabis-using emerging adults.

"Conflicts of Interest: The authors do not have any personal financial interests related to this manuscript, with two exceptions. M.W. is a minor shareholder in Facebook and has a conflict of interest plan approved by the University of Michigan. S.Y. has received an unrestricted gift from Facebook, on file with the University of California, Los Angeles (his prior academic appointment)."

"Funding : This study was funded by a grant from the National Institute on Drug Abuse #045067."

"Transparency Statements: Study registration: The parent study from which these data were drawn was preregistered at Clinical Trials.Gov NCT04187989. This specific, time-sensitive, secondary analysis was not preregistered.: Analytic plan preregistration: The analysis plan for this time-sensitive, largely descriptive paper was not formally preregistered.: Data availability: Deidentified data from this study are not available in a public archive; trial analysis is not complete. Deidentified data from this study may be made available in the future (as allowable according to institutional review board standards) by emailing the corresponding author.: Analytic code availability: Analytic code used to conduct the analyses presented in this study are not available in a public archive. This may be available by emailing the corresponding author.: Materials availability: Materials used to conduct the study are not publically available. This trial is not complete."