Sigmund, Erik
Sigmundová, Dagmar
Pavelka, Jan
Kalman, Michal
Voráčová, Jaroslava
Meier, Zdeněk
Kopčáková, Jaroslava
Badura, Petr
Funding for this research was provided by:
Grantová Agentura České Republiky (20-25019S, 20-25019S)
Article History
Received: 19 June 2023
Accepted: 17 October 2023
First Online: 25 October 2023
Declarations
:
: The Institutional Ethics Committee for Research of the Faculty of Physical Culture of Palacký University in Olomouc approved the cross-sectional design of the study, the course of the preparation and implementation of the research, and the opt-out method of collecting parental consent and data processing for the 2018 data collection on 4 March 2016 under the reference number 9/2016 and for the 2022 data collection on 10 October 2020 under the reference number 65/2020. All methods were carried out in accordance with the ethical principles of the 1964 Declaration of Helsinki and its later amendments. All the adolescents, teachers, and school administrators received detailed information about the research design and data collection plan at a meeting in each of the participating schools. The parents/guardians of the adolescents were informed of the survey and its design and content in advance through the school leadership team and could withdraw their child if they wished. The parents/guardians received information about the purpose, content, and process of the survey, as well as the opportunity to withdraw their child. Informed consent was obtained from parents/guardians for study participation of minors. In both cycles of online data collection, the participation of the adolescents was voluntary and without any financial incentives.
: Not applicable.
: The authors declare no competing interests.