Funding for this research was provided by:
Danish Work Environment Research Foundation (20130069288)
Text and Data Mining valid from 2018-12-04
Received: 30 May 2018
Accepted: 1 December 2018
First Online: 4 December 2018
Compliance with ethical standards
: The study complies with The Act on Processing of Personal Data, Denmark (Act No. 429 of May 31, 2000), which implements the European Union (EU) Directive 95/46/EC on the protection of individuals. Participation in the Labour Force Survey is voluntary. The data usage is approved by the Danish Data Protection Agency, file number 2001-54-0180. The ethical aspect of the project was examined and approved by Statistics Denmark, account number 704291. The data belong to Statistics Denmark and may only be used with their permission.
: By law, no informed consent is needed when using survey data.
: The authors declare that they have no conflict of interest.