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Article History

Received: 24 February 2025

Accepted: 3 June 2025

First Online: 10 June 2025

Declarations

:

: The study was conducted according to the guidelines laid down in the Declaration of Helsinki and the Ungdata Survey is approved by the Norwegian Centre for Research Data (NSD). Data collection is done anonymously and does not contain sensitive information. Participants and their parents were informed that participation is voluntary, and parents had the ability to withdraw their children (< 16 years of age) from participation. All students provided informed consent before study participation. All parents were also sent an advance letter containing information about Ungdata. It was pointed out that the dataset did not contain personal information. The Regional Ethics Committee considered that the project was outside the provisions of the Norwegian Health Research Act and that the use of passive consent was appropriate. The present study was approved by the Data Protection Office at Innlandet Hospital Trust with the reference number 18778329 and was funded by Innlandet Hospital Trust (project number: 150377).

: Not applicable.

: The authors declare no competing interests.