Funding for this research was provided by:
Grantová Agentura České Republiky (GA 14-26896S, 13-32935S)
Text and Data Mining valid from 2020-04-25
Received: 10 January 2020
Accepted: 15 April 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: The study was approved by the Ethical Committee of The Jerzy Kukuczka Academy of Physical Education, in Katowice, under reg. no 2/2008. All the participants, their parents, and school administrators consented to the research in writing. At the beginning, the participants received detailed information on data confidentiality and security in Indares and on the way of data processing and publishing. The participants could quit PA monitoring any time during the research. Loss of pedometers was not sanctioned at all. All the participants obtained individual feedback on their weekly PA composition and summary aggregated information on rates of meeting the steps/day recommendation by boys and girls in their class, as did school administration.
: Not applicable as consent has been obtained for data collection and no identities will be disclosed.
: The authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.ORCID.<i>Karel Fromel</i> (ExternalRef removed) is a professor and head of the Institute of Active Lifestyle, Faculty of Physical Culture, Palacký University Olomouc. His research focuses on physical education, physical activity, lifestyle, and methodology.<i>Dorota Groffik</i> (ExternalRef removed) is a professor at the Jerzy Kukuczka Academy of Physical Education in Katowice. Her research focuses on physical education, school health, school policy, and physiotherapy.<i>Petr Badura</i> (ExternalRef removed) is a researcher at the Faculty of Physical Culture, Palacký University Olomouc. His research focuses on adolescents’ leisure time, organised activities, lifestyle and physical activity.