Klavina-Makrecka, Solvita http://orcid.org/0000-0003-2080-4981
Gobina, Inese
Pulmanis, Toms
Pudule, Iveta
Villerusa, Anita
Article History
Received: 28 April 2020
Revised: 30 August 2020
Accepted: 4 September 2020
First Online: 15 September 2020
Compliance with ethical standards
: The manuscript contains original unpublished work and is not being submitted for publication elsewhere. The research is based on WHO collaborative Health Behaviour among School-aged Children study.
: The authors declare that they have no conflict of interest.
: Ethical approval for this survey was gained from the Committee of Ethics of the Medical and Biomedical Researches, Riga East Clinical University Hospital. Passive parental consent was required. Participation in the study was fully voluntary and anonymous with no explicit incentives provided for participation. All authors meet criteria for authorship, and all authors discussed the results and commented on the manuscript.