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Comment & Response
November 2, 2020

Aggression as a Mediating Behavior in the Association Between Video Game Use and Body Mass Index—Reply

Author Affiliations
  • 1University of Leeds, Leeds, England
JAMA Pediatr. 2020;174(12):1219-1220. doi:10.1001/jamapediatrics.2020.2931

In Reply We read Girkar’s response to our study, “Association of Video Game Use With Body Mass Index and Other Energy-Balance Behaviors in Children,” with great interest and value the points raised. We share her point of view that a number of factors influence body mass index (BMI),1 including emotions and stress. The associations between these factors and weight across the life span certainly warrant exploration. However, the focus of our study was specifically to investigate the role of energy-balance behaviors in mediating the association between video game use and BMI in childhood. Inclusion of aggression, or other emotional drivers of weight, was therefore beyond the scope of the study.

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