Work

Screen time impact on muscle health and sleep quality in school-age children - A cross sectional study

Year: 2025

Type: article

Abstract: Problem Considered Excessive screen time poses significant health concerns for school-aged children. However, the relationships between screen time, muscle quality, and sleep patterns in Indian school children remain inadequately understood. This study examined the associations between screen time, sleep quality, and muscle health indicators in urban school-aged children in India Methods A cross-sectional study was conducted on 252 children aged 11-13 years conveniently sampled from an urban school. Anthropometric measurements, Screen time, sleep quality evaluated using the Pittsburgh Sleep Quality Index (PSQI), Muscle Quality Index (MQI) calculated from handgrip strength and BMI, physical activity levels, and cardiorespiratory fitness via 6-minute walk test. Results Higher screen time demonstrated significant associations with multiple adverse health outcomes- Lower physical activity levels, elevated BMI, reduced MQI, and poorer sleep quality. Boys reported higher screen time (7.51±1.98 hours) compared to girls (6.8±2.05 hours, p=0.007). Multiple regression analysis revealed that BMI (β=0.208, p=0.011), MQI (β=-0.263, p=0.019), and PSQI (β=0.217, p<0.001) were significant independent predictors of screen time, together explaining 23.4% of the variance (R 2 =0.234, p<0.001). Conclusion This study demonstrates complex interrelationships between excessive screen time and compromised health outcomes in school-aged children, including deteriorated muscle quality, disturbed sleep patterns, and reduced physical activity. These findings emphasize the critical need for comprehensive interventions incorporating promotion of moderate-to-vigorous physical activity, muscle-strengthening exercises, reduction in recreational screen time, and improvement in sleep hygiene. Future longitudinal research should investigate long-term implications and develop evidence-based interventions tailored to the unique cultural and environmental context of urban India.

Source: Clinical Epidemiology and Global Health

DOI: 10.1016/j.cegh.2025.102233

Authors: Tejaswini Manogna, R. Aruna

Institutions: Fernandez Hospital, All India Institute of Medical Sciences, Kalyani

Language: English

Topic: Physical Activity and Health

Subfield: Physiology

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $2,000