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Journal of Pediatric Endocrinology and Metabolism

Editor-in-Chief: Kiess, Wieland

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Volume 30, Issue 2

Issues

Association between screen time and snack consumption in children and adolescents: The CASPIAN-IV study

Roya Kelishadi
  • Paediatrics Department, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
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/ Nafiseh Mozafarian
  • Paediatrics Department, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
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/ Mostafa Qorbani
  • Corresponding author
  • Noncommunicable Diseases Research Center, School of Medicine, Alborz University of Medical Sciences, Baghestan Boulevard, 31485/56, Karaj, Iran
  • Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  • Email
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/ Mohammad Reza Maracy
  • Department of Biostatistics and Epidemiology, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
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/ Mohammad Esmaeil Motlagh / Saeid Safiri
  • Managerial Epidemiology Research Center, Department of Public Health, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran
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/ Gelayol Ardalan
  • Paediatrics Department, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
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/ Hamid Asayesh / Fatemeh Rezaei
  • Department of Social Medicine, Medical School, Jahrom University of Medical Sciences, Jahrom, Iran
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/ Ramin Heshmat
  • Corresponding author
  • Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Published Online: 2017-01-18 | DOI: https://doi.org/10.1515/jpem-2016-0312

Abstract

Background:

The relationship between screen time (ST) and the frequency of snack consumption in a national sample of Iranian children and adolescents was assessed. The present nationwide survey was conducted on 14,880 school students living in urban and rural areas of 30 provinces in Iran. Trained healthcare providers conducted the physical examination and completed the questionnaire of the World Health Organization – Global School-Based Student Health Survey (WHO-GSHS).

Methods:

The association between ST (total time spent watching TV and using a computer in leisure time) and the frequency of snack consumption was determined using ordinal logistic regression analysis. The subjects were 13,486 students out of the 14,880 invited including 50.8% boys. The mean (SD) age of participants was 12.47 (3.36) years.

Results:

In multivariate models, for students who had prolonged ST (more than 4 h/day), the odds of daily consumption of sweets (odds ratio, OR 1.25; 95% CI 1.14–1.4), salty snacks (OR 1.6; 95% CI 1.5–1.76), soft drinks (OR 1.52; 95% CI 1.4–1.7), canned fruit juice (OR 1.3; 95% CI 1.2–1.4), and fast food (OR 1.53; 95% CI 1.4–1.7) were higher compared to those with low ST. Furthermore, the odds of daily consumption of milk in students who had prolonged ST (more than 4 h/day) were lower compared to those with low ST (OR 0.9; 95% CI 0.8–0.99).

Conclusions:

Prolonged time spent watching TV and using a computer during leisure time might be associated with unhealthy dietary habits. Moreover, inactivity induced by prolonged ST may also lead to unhealthy dietary habits and in turn excess weight in children and adolescents.

Keywords: dietary habit; obesity; screen time (ST); sedentary life style; snack

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About the article

aMostafa Qorbani and Ramin Heshmat: These authors contributed equally as corresponding authors to this work.


Received: 2016-08-07

Accepted: 2016-11-28

Published Online: 2017-01-18

Published in Print: 2017-02-01


Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

Research funding: None declared.

Employment or leadership: None declared.

Honorarium: None declared.

Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.


Citation Information: Journal of Pediatric Endocrinology and Metabolism, Volume 30, Issue 2, Pages 211–219, ISSN (Online) 2191-0251, ISSN (Print) 0334-018X, DOI: https://doi.org/10.1515/jpem-2016-0312.

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