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To describe sedentary behaviors in adolescents and to examine the influence of media availability on TV viewing.The study assessed 3278 adolescents (1537 males and 1741 females, 12.5–17.5years) involved in the HELENA study (2007). Adolescents reported hours of TV viewing, computer games, console, internet for study and non-study reasons, and study, as well as availability of TVs, computers and consoles...
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