The less depressive state of Denmark following the second wave of the COVID-19 pandemic.

"Conflict of interest SDØ received the 2020 Lundbeck Foundation Young Investigator Prize. Furthermore, SDØ owns units of mutual funds with stock tickers DKIGI and WEKAFKI, as well as units of exchange-traded funds with stock tickers TRET, 2B76, EXH2, QDVE, QDVH, USPY, and BATE. The remaining authors report no conflicts of interest."

"Financial support The study is supported by an unconditional grant from the Novo Nordisk Foundation (Grant number: NNF20SA0062874). Østergaard reports further funding from the Lundbeck Foundation (grant numbers: R358-2020-2341 and R344-2020-1073), the Danish Cancer Society (grant number: R283-A16461), the Central Denmark Region Fund for Strengthening of Health Science (grant number: 1-36-72-4-20), The Danish Agency for Digitisation Investment Fund for New Technologies (grant number 2020-6720), and Independent Research Fund Denmark (grant number: 7016-00048B). Sønderskov is supported by a grant from the Danish National Research Foundation (grant number: DNRF144). These funding bodies were not involved in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the paper for publication."