Mundal, Ingunn http://orcid.org/0000-0001-7716-7122
Schei, Jorun
Lydersen, Stian
Thomsen, Per Hove
Nøvik, Torunn Stene
Kvitland, Levi R.
Article History
Received: 20 February 2023
Accepted: 19 June 2023
First Online: 29 June 2023
Declarations
:
: The authors declare that they have no competing interests.
: This study was carried out in accordance with the code of ethics of the Declaration of Helsinki, and all procedures and consent forms were reviewed and approved by the Regional Committee for Medicine and Health Research Ethics in Mid-Norway (ref.: 2011//2061).
: Participation in the CAP study and the Young-HUNT and HUNT studies was voluntary. All participants gave an informed written consent to participate. For adolescents under 16 years old, parents had to consent. According to study procedures, written informed consent was obtained from adolescents and parents participating at T<sub>1</sub> and T<sub>2,</sub> and from the young adults at T<sub>3</sub>. All parents received oral and written information. Consent was implicitly given by anonymously responding to the questionnaires and returning the envelope at the end of the course. Personal information, names or any other identifying information were not collected, and confidentiality and anonymity were carefully ensured.
: Not applicable.