The aim of the study was to examine the habits of high school and primary school students related to diet and physical activity before and after the period of social isolation. Furthermore, the relationship between parents' attitudes about the importance of physical activity and their children's motivation to engage in it was examined. The online questionnaire was completed by 25,274 parents of primary school students and 5,169 high school graduates from the Republic of Croatia. The results show a trend of decreasing motivation to engage in physical activities, as well as an increase in the number of meals consumed per day among all students. Furthermore, there was a low positive correlation between parental attitudes and the motivation of their children to engage in physical activity both before and during social isolation. In conclusion, this large-scale study showed that due to social isolation there was a significant decrease in the motivation for physical activity and an increase in the number of daily meals.

中文翻译：

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COVID-19 大流行导致社会隔离期间儿童和青少年的生活习惯

该研究的目的是检查高中和小学生在社会隔离前后与饮食和体育活动有关的习惯。此外，还研究了父母对体育活动重要性的态度与其孩子参与体育活动的动机之间的关系。在线问卷调查由克罗地亚共和国的 25,274 名小学生家长和 5,169 名高中毕业生完成。结果显示，所有学生参与体育活动的动力呈下降趋势，每天消耗的膳食数量呈增加趋势。此外，在社会隔离之前和期间，父母的态度与孩子参与体育活动的动机之间存在较低的正相关关系。综上所述，