ArticleFrontiers in public health2026
Screen time and cardiorespiratory fitness in school-aged children: a sex-specific association independent of physical activity-evidence from Croatia.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors.
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Abstract
Background: Excessive screen time has become an increasingly prevalent form of sedentary behavior among school-aged children and may adversely affect various health indicators, including cardiorespiratory fitness. However, the relationship between screen time and cardiorespiratory fitness remains inconsistent in the literature, particularly when overall physical activity is considered. This study aimed to examine the association between screen time and cardiorespiratory fitness in school-aged children while controlling for total physical activity and to determine whether sex differences exist in this relationship. Methods: A total of 306 school-aged children (163 girls, 143 boys; mean age 9.89 ± 0.60 years) participated in this cross-sectional study. Cardiorespiratory fitness was assessed using the 20 m shuttle run test, and maximal oxygen uptake (VO Results: Results indicate a significant main effect of screen time on VO Conclusion: These findings suggest that excessive screen time may be associated with lower cardiorespiratory fitness in children, independent of overall physical activity levels, particularly among boys. These findings support public health strategies aimed at limiting excessive recreational screen time while promoting regular physical activity among children.
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