Bast, Lotus Sofie
Andersen, Henriette Bondo
Andersen, Anette
Lauemøller, Stine Glenstrup
Bonnesen, Camilla Thørring
Krølner, Rikke Fredenslund
Funding for this research was provided by:
Kræftens Bekæmpelse
Syddansk Universitet
Article History
Accepted: 10 December 2020
First Online: 6 January 2021
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: There is no formal institution for ethical assessment and approval of questionnaire-based population studies in Denmark; however, the study was approved by the SDU Research and Innovation Organization. The X:IT II study is registered at the Danish Data Protection Agency, ref.: 2015-57-0008, and conducted in accordance with the Helsinki and its late amendments ethical standards.
: Principals at schools received written information about participation in the study, and school coordinators were informed that completion of questionnaires was optional, and information treated with confidence. Parents and pupils were informed that participation was voluntary, and that any answers could be withdrawn upon request.