Purpose.The aim of the study was to evaluate the physical activity level, nutritional behaviours, and body silhouette concern in 15-17-year-old boys and girls from Eastern European countries. Methods. The research, carried out in 2015, involved 2145 secondary school adolescents, including 877 boys and 1268 girls (mean = 16.5, SD = 2.0). The results of the International Physical Activity Questionnaire (IPAQ) and Health Behaviours Questionnaire were analysed. Results. The questionnaire results allowed to conclude that boys were definitely more active than girls. A significant relationship between physical activity and the number of meals was found. Another significant relationship was observed between higher physical activity in boys who wanted to gain weight and in girls who wanted to lose weight. Conclusions. Both boys and girls have positive attitudes towards their health with regard to their level of physical activity, nutritional behaviours, and body silhouette concern. A significant relationship was found in the interrelationship among the features considered, with simultaneous gender differentiation.

Authors' contributionWkład autorów: A. Study design/planning zaplanowanie badań B. Data collection/entry zebranie danych C. Data analysis/statistics dane -analiza i statystyki D. Data interpretation interpretacja danych E. Preparation of manuscript przygotowanie artykułu F. Literature analysis/search wyszukiwanie i analiza literatury G. Funds collection zebranie funduszy SummaryBackground. EU efforts to exploit the positive social impact of sport have also been a priority in the Visegrad (V4) countries over the past decade. Our analysis aimed to compare the frequency of sports activities among the V4 countries' population and the effects of demographic, quality of life, sociocultural, socioeconomic, and sports infrastructural factors. Material and methods. The data analyzed are from the Special Eurobarometer 472 Sport and Physical Activity survey, conducted in 2017. All respondents (n=4,174) were over 15 years of age and resident in one of the four Visegrad countries. Frequency distribution, chi-square tests, and binary logistic regression models (including 12 explanatory variables and regular sports as independent variable) were used. Results. Hungary had the highest rate (16%) of respondents participating in sporting activity at least three times a week, while the Czech Republic had the highest rate of weekly regularity (31%), and the lowest inactivity rate (42%). In Poland, the inactivity rate was 62%. Age, education, and social status had a significant effect on the frequency of sports in all four countries. Conclusions. This paper highlights the slowly changeable role of demographic, sociocultural, and socioeconomic structures in influencing the frequency of sporting activity among the V4 countries, and underlines the potentially quick impact of sports infrastructure.

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