Vilhjalmsdottir, Arndis http://orcid.org/0000-0003-0515-9806
De Clercq, Bart
Gardarsdottir, Ragna B.
Bernburg, Jon Gunnar
Sigfusdottir, Inga Dora
Funding for this research was provided by:
The Icelandic Centre for Research (grant no. 152601-052)
Article History
Received: 16 April 2018
Revised: 26 November 2018
Accepted: 19 December 2018
First Online: 8 January 2019
Compliance with ethical standards
:
: The authors declare no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The Youth in Iceland surveys were conducted anonymously and approved by the Icelandic Data Protection Authority (ExternalRef removed). Parents were informed about the survey and given the opportunity to withdraw their children from participation. All community-level data were prepared by Statistics Iceland and delivered in aggregated form and can therefore not be traced back to individual households. This research received funding from The Icelandic Centre for Research (Grant No. 152601-052).