Jonassen, Rune https://orcid.org/0000-0002-5611-4635
Hilland, Eva
Harmer, Catherine J.
Abebe, Dawit S.
Bergem, Anne Kristine
Skarstein, Siv
Article History
Received: 17 September 2020
Accepted: 19 October 2021
First Online: 6 November 2021
Declarations
:
: The study was approved by the NSD, Norwegian Centre for Research Data (reference number: 821474). The young people were informed that participation was voluntary, and parents were informed at least 2 weeks prior to the study and could contact the school if they wanted to reserve their child from participation. The use of a passive consent was approved by the The Norwegian National Committee for Research Ethics in the Social Sciences and the Humanities (NESH) (reference number: 2021/121). Accessing the data for the present analyses did not require additional ethics approval.
: The consent scheme describes the purpose of the survey, including publication of statistical comparison of different groups.Competing interestsThe authors RJ, EH, DA, AKB, and SS declare that they have no competing interests. CJH has received consultancy fees from P1vital, J&J, Pfizer, Zongeix, and Servier, outside of this work.