Screen time increases overweight and obesity risk among adolescents: a systematic review and dose-response meta-analysis

Background Adolescence is a critical period in human life, associated with reduced physical activity and increased sedentary behaviors. In this systematic review and dose-response meta-analysis, we evaluated the association between screen time and risk of overweight/obesity among adolescents. Method...

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Veröffentlicht in:BMC family practice Jg. 23; H. 1; S. 161 - 24
Hauptverfasser: Haghjoo, Purya, Siri, Goli, Soleimani, Ensiye, Farhangi, Mahdieh Abbasalizad, Alesaeidi, Samira
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London BioMed Central 28.06.2022
BioMed Central Ltd
Springer Nature B.V
BMC
Schlagworte:
Adiposity
Adolescent
Behavior
Bias
Body mass index
Child development
Computer & video games
Coronaviruses
COVID-19
Dose-response
Exercise
Family Medicine
General Practice
Health aspects
Humans
Medicine
Medicine & Public Health
Meta-analysis
Metabolism
Obesity
Obesity - epidemiology
Obesity in adolescence
Overweight
Overweight - epidemiology
Primary Care Medicine
Risk factors
Screen Time
Sedentary behavior
Standard deviation
Systematic review
Teenagers
Television and children
Iran
Screen time
Obesity
Dose-response
Adiposity
Overweight
Meta-analysis
ISSN:2731-4553, 2731-4553, 1471-2296
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Zusammenfassung:Background Adolescence is a critical period in human life, associated with reduced physical activity and increased sedentary behaviors. In this systematic review and dose-response meta-analysis, we evaluated the association between screen time and risk of overweight/obesity among adolescents. Methods A systematic search in electronic databases, including PubMed, Embase, and Scopus was performed up to September 2021. All published studies evaluating the association between screen time and risk of overweight/obesity among adolescents were retrieved. Finally, a total of 44 eligible studies were included in the meta-analysis. Results The results of the two-class meta-analysis showed that adolescents at the highest category of screen time were 1.27 times more likely to develop overweight/obesity (OR = 1.273; 95% CI = 1.166–1.390; P  < 0.001; I-squared (variation in ES attributable to heterogeneity) = 82.1%). The results of subgrouping showed that continent and setting were the possible sources of heterogeneity. Moreover, no evidence of non-linear association between increased screen time and risk of overweight/obesity among adolescents was observed (P-nonlinearity = 0.311). Conclusion For the first time, the current systematic review and meta-analysis revealed a positive association between screen time and overweight/obesity among adolescents without any dose-response evidence. Trial registration The protocol of the current work has been registered in the PROSPERO system (Registration number: CRD42021233899 ).
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ISSN:2731-4553
2731-4553
1471-2296
DOI:10.1186/s12875-022-01761-4