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COVID-19 and screen-based sedentary behaviour: Systematic review of digital screen time and metabolic syndrome in adolescents.
Musa, Sarah; Elyamani, Rowaida; Dergaa, Ismail.
  • Musa S; Department of Preventative Health, Primary Health Care Corporation, Doha, Qatar.
  • Elyamani R; Department of Medical Education, Hamad Medical Corporation, Doha, Qatar.
  • Dergaa I; Department of Preventative Health, Primary Health Care Corporation, Doha, Qatar.
PLoS One ; 17(3): e0265560, 2022.
Article in English | MEDLINE | ID: covidwho-1753200
ABSTRACT

AIM:

The COVID-19 pandemic has prompted governments around the globe to implement various restriction policies, including lockdown, social distancing, and school closures. Subsequently, there has been a surge in sedentary behaviour particularly screen time (ST) together with a significant decline in physical activity that was more marked amongst children and adolescents. Excessive screen exposure in adolescents has been correlated with cardio-metabolic risk factors including obesity, hypertension, high cholesterol, and glucose intolerance that may have adverse morbidity and mortality implications in adulthood. Thus, the current study aimed to synthesize the literature on the relationship between ST of various types and the risk of metabolic syndrome (MetS) in adolescents in the context of the COVID-19 pandemic.

METHODS:

In August 2021, a systematic search of the literature was undertaken using electronic databases PubMed, PsycINFO, and the Cochran library. Studies were considered if they met the following key eligibility criteria (i) Measure of ST as an exposure (TV, computer, videogames, internet, smartphone, tablet), using quantified duration/frequency either self-reported or observed; (ii) Measure of MetS as an outcome with standard definition and/or criteria required to establish MetS diagnosis. The Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies was used to assess the risk of bias.

RESULTS:

A total of ten studies met the inclusion criteria, and the majority were cross sectional studies. Most studies met fair bias scoring. Overall, the review revealed considerable evidence that suggests a significant negative association between ST and components of MetS among adolescents with dose-response association.

CONCLUSION:

During the pandemic, screen usage may become more prevalent through periods of school closures, lockdowns, social isolation, and online learning classes. Public health policies and health promotion strategies targeting parents are needed to raise awareness of the adverse health effects associated with screen-based sedentary behaviour as a precursor of NCDs. Parent or home focused interventions might be effective in limiting adolescents' screen exposure, alternatively substituted with an appropriate level of physical activity. PROSPERO REGISTRATION NUMBER PROSPERO 2021 CRD42021272436.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: Metabolic Syndrome / Sedentary Behavior / COVID-19 Type of study: Cohort study / Observational study / Prognostic study / Qualitative research / Randomized controlled trials / Reviews / Systematic review/Meta Analysis Limits: Adolescent / Female / Humans / Male Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2022 Document Type: Article Affiliation country: Journal.pone.0265560

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Metabolic Syndrome / Sedentary Behavior / COVID-19 Type of study: Cohort study / Observational study / Prognostic study / Qualitative research / Randomized controlled trials / Reviews / Systematic review/Meta Analysis Limits: Adolescent / Female / Humans / Male Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2022 Document Type: Article Affiliation country: Journal.pone.0265560