![]() ![]() A small partial mediation of this association was found (direct association: β = 0.017 indirect association: β = 0.0011 ), suggesting that irregular bedtimes and higher consumption of sugar-sweetened beverages were mediators. Every 1 SD increase in the number of hours of video game use at age 5 years was associated with a β = 0.018 higher BMI SD score at age 14 years (95% CI, 0.004-0.032). Results The full sample comprised 16 376 children and had a nearly equal number of boys (8393 ) and girls (7983 ). Physical activity, bedtime regularity, sugar-sweetened beverage consumption, and high-calorie food consumption were included as potential mediating behaviors. Main Outcomes and Measures The main outcome variable was BMI SD scores, with video game use as the exposure variable of interest. Initial data analysis was conducted between September 18, 2018, and September 28, 2018, with supplementary analyses conducted from October 7, 2019, to November 22, 2019. ![]() At age 14 years, the children self-reported their own behavior. ![]() Data for all variables, except BMI, were provided by parental or caregiver reporting if the children were younger than 14 years of age. ![]() Objectives To investigate whether a longer-term association exists between video game use at a young age and BMI SD score in later years, independent of television use, and to ascertain whether this association is mediated by other energy-balance behaviors.ĭesign, Setting, and Participants This cohort study is a secondary analysis of data from the Millennium Cohort Study, a nationally representative sample of children who were born in the UK between September 1, 2000, and January 31, 2002, that focused on data collected when the children were aged 5, 7, 11, and 14 years. However, few studies have explored the prospective association between video game use and body mass index (BMI) or the potential mediators of this association. Importance Childhood obesity is one of the biggest public health threats facing the UK, and video game use is considered a risk behavior for obesity among children. Shared Decision Making and Communication.Scientific Discovery and the Future of Medicine.Health Care Economics, Insurance, Payment.Clinical Implications of Basic Neuroscience.Challenges in Clinical Electrocardiography. ![]()
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