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Research Article

TV Viewing and Physical Activity Are Independently Associated with Metabolic Risk in Children: The European Youth Heart Study

  • Ulf Ekelund mail,

    To whom correspondence should be addressed. E-mail: Ulf.Ekelund@mrc-epid.cam.ac.uk

    Affiliation: Epidemiology Unit, Medical Research Council, Cambridge, United Kingdom

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  • Søren Brage,

    Affiliation: Epidemiology Unit, Medical Research Council, Cambridge, United Kingdom

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  • Karsten Froberg,

    Affiliation: Institute of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark

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  • Maarike Harro †,

    † Deceased.

    Affiliation: National Institute for Health Development, Estonian Centre of Behavioural and Health Sciences, Tartuu, Estonia

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  • Sigmund A Anderssen,

    Affiliation: Department of Sports Medicine, Norwegian University of Sport Sciences, Oslo, Norway

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  • Luis B Sardinha,

    Affiliation: Faculty of Human Movement, Technical University of Lisbon, Lisbon, Portugal

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  • Chris Riddoch,

    Affiliation: London Sport Institute, Middlesex University, London, United Kingdom

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  • Lars Bo Andersen

    Affiliation: Department of Sports Medicine, Norwegian University of Sport Sciences, Oslo, Norway

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  • Published: December 12, 2006
  • DOI: 10.1371/journal.pmed.0030488

About the Authors

Ulf Ekelund, Søren Brage
Epidemiology Unit, Medical Research Council, Cambridge, United Kingdom
Karsten Froberg
Institute of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
Maarike Harro
National Institute for Health Development, Estonian Centre of Behavioural and Health Sciences, Tartuu, Estonia
Sigmund A Anderssen, Lars Bo Andersen
Department of Sports Medicine, Norwegian University of Sport Sciences, Oslo, Norway
Luis B Sardinha
Faculty of Human Movement, Technical University of Lisbon, Lisbon, Portugal
Chris Riddoch
London Sport Institute, Middlesex University, London, United Kingdom

Corresponding Author

Email: Ulf.Ekelund@mrc-epid.cam.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

UE, KF, MH, SAA, LBS, CR, and LBA designed the study. UE and SB analysed the data. KF and LBA enrolled patients. UE, SB, KF, MH, SAA, LBS, CR, and LBA contributed to writing the paper. MH and LBS collected data or did experiments for the study. KF was responsible for collection of data in Denmark. CR organized and participated in international quality-control procedures. LBA administered the database and prepared and cleaned data pooled from the different countries. Maarike Harro, listed as a contributing author to this paper, died before its publication. The corresponding author, Ulf Ekelund, has therefore supplied the information regarding her contribution to the manuscript and her competing interests, and it is correct to the best of his knowledge.