Mental illness rates among employees with fixed-term versus permanent employment contracts: a Danish cohort study.

"Declarations Conflict of interestNo potential conflict of interest was reported by the authors. Ethical approvalThe present study complies with The Act on Processing of Personal Data, Denmark (Act No. 429 of May 31, 2000), which implements the European Union Directive 95/46/EC on the protection of individuals. The data usage was approved by the Danish Data Protection Agency (file number 2001-54-0180). The ethical and legal aspects of the project were approved by Statistics Denmark, account number 704291. In Denmark, register studies, which do not include medical procedures, are not part of the ethical committee system. Conflict of interest No potential conflict of interest was reported by the authors."

"Funding Open Access funding enabled and organized by Projekt DEAL."