Did the acute impact of the COVID-19 pandemic on drinking or nicotine use persist? Evidence from a cohort of emerging adults followed for up to nine years.

"appendix a supplementary data the following are the supplementary data to this article: supplementary data 1 1 to probe potential differences by mode-of-assessment we asked 32 participants to complete the web-based survey again at their next annual visit within the ongoing ncanda study protocol."

"Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"Data Source and Funding The data were part of the public data release NCANDA_PUBLIC_7Y_COVID_REDCAP_V02 () and NCANDA_PUBLIC_6Y_REDCAP_V02 (), distributed according to the NCANDA Data Distribution agreement (https://www.niaaa.nih.gov/ncanda-data-distribution-agreement). The research was in part supported by NIH funding: AA021681 (D.G.), AA021690 (D.B.C.), and AA021691 (B.J.N.), AA021692 (S.F.T.), AA021695 (S.A.B and S.F.T.), AA021696 (F.C.B. and M.dZ.), AA021696-07S1 (F.C.B. and I.M.C.), and AA021697 (A.P. and K.M.P.), AA028840 (Q.Z.), AA030197 (W.E.P.), and DA055935 (W.E.P.). The content is solely the responsibility of the authors and does not necessarily represent the official views the National Institutes of Health."