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Early childhood electronic media use as a predictor of poorer well-being: a prospective cohort study.

Abstract
Identifying associations between preschool-aged children’s electronic media use and their later well-being is essential to supporting positive long-term outcomes.

To investigate possible dose-response associations of young children’s electronic media use with their later well-being.
The IDEFICS (Identification and Prevention of Dietary- and Lifestyle-Induced Health Effects in Children and Infants) study is a prospective cohort study with an intervention component. Data were collected at baseline from September 1, 2007, through June 30, 2008, and at follow-up from September 1, 2009, through May 31, 2010, in 8 European countries participating in the IDEFICS study. This investigation is based on 3604 children aged 2 to 6 years who participated in the longitudinal component of the IDEFICS study only and not in the intervention.