Hoareau, Natacha
Bagès, Céline
Guerrien, Alain
Article History
Accepted: 31 May 2021
First Online: 29 June 2021
Declarations
:
: The study is in compliance with the ethical rules of APA ethical standards, declaration of Helsinki, French legislation and the Behavioral Sciences Ethics Committee of the University of Lille (number 2017–1-S48 obtained on May 22, 2017). We conducted a cross-sectional study of French public high schools. We contacted each school’s principal, presenting our research. Parents of students from the relevant grades (six and nine) were then sent a letter explaining the research in greater detail. Consent was obtained from each participating adolescent and his or her parents, as well as from the institution.
: The authors declare no competing interests.