其他摘要：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
其他关键词：Adolescents; Metabolic syndrome; Propensity score; Screen time
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