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Background: This study examined the relationship between screen time, body image satisfaction, body mass index (BMI), and quality of life among children and adolescents from two school clusters in Sesimbra, Portugal. Methods: The sample included 80 students aged 10 to 18 years, assessed using validated questionnaires (Collins’ Figure Rating Scale and KIDSCREEN-27). Results: Results indicated sex differences in electronic game use, with boys reporting higher usage. A negative association was found between time spent on social networks and perceived autonomy and parent–child relationship quality. A high prevalence of body image dissatisfaction was found, particularly among boys, which was significantly associated with BMI. Regarding quality of life, participants scored lower than the European average in the domains of physical and psychological well-being. Conclusions: Findings suggest that screen time, body image, and BMI interdependently affect quality of life, underscoring the need to promote digital literacy, self-esteem, body acceptance, and healthy lifestyles in both school and family settings.
Silva et al. (Thu,) studied this question.