Propensity Score Application in the Relationship of Screen Time and Metabolic Syndrome in Adolescents: the CASPIAN-III Study

Authors

  • Mohammad Maracy Department of Biostatistics and Epidemiology, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
  • Nafiseh Mozafarian Department of Biostatistics and Epidemiology, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
  • Roya Kelishadi Pediatrics Department, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract:

Aim: This study aimed to assess the relationship of screen time and metabolic syndrome (MetS) among Iranian adolescents. Materials and Methods  In this nationwide study, the propensity score (PS) was used in a matched case-control study design. The data was obtained from 5,625 students aged 10-18 years, who participated in a national school-based surveillance program. MetS was defined according to the criteria of the International Diabetes Federation (IDF). In addition, the continuous MetS score (cMetS) was calculated and the best cutpoint for cMetS was selected based on the receiver operator characteristic (ROC) curve estimate of sensibility and specificity. Data analysis was performed by a conditional logistic regression in 2014.  Results  Screen time increased the risk of MetS by 44% with a near significant P- value (P=0.052). The time spent on computer during leisure time was significantly associated with MetS and waist circumference (P

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Journal title

volume 4  issue 3

pages  1491- 1503

publication date 2016-03-01

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