Prevalence of high screen time in English youth: association with deprivation and physical activity
Prevalence of high screen time in English youth: association with deprivation and physical activity
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DOI：
10.1093/pubmed/fdr074
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发表时间：
2012-03-01
影响因子：
4.4
通讯作者：
Sandercock, G. R.
中科院分区：
文献类型：
--
作者：
Ogunleye, A. A.;Voss, C.;Sandercock, G. R.
身体活动和贫困是健康的主要决定因素。我们估计的患病率高屏幕时间（ST）在英国青年和检查是否剥夺介导ST和PA之间的关系。这是一个横断面研究6240名参与者（53名男孩，年龄1015岁）参加了英格兰东部健康心脏研究。根据每日ST将参与者分为三组：2，24或4小时。根据PA Z评分，参与者被分为“活动性”或“非活动性”。报告每日ST 2 h的受试者比报告24 h（校正OR：1.51，95 CI：1.261.82，P 0.001）或4 h（校正OR：2.26，95 CI：1.912.67，P 0.001）的受试者更可能活跃。协方差分析显示ST对PA的显著主效应（F 85.7，P 0.001），每个ST上升组的PA较低（P 0.001）。去甲肾上腺素与PA没有显着相关性，并没有介导ST和PA之间的关系。有高患病率的2小时ST在英国学童。PA是较低的儿童报告24与2小时，每天ST和较低的那些被归类为重度用户（4小时）独立的剥夺。
Physical activity (PA) and deprivation are major determinants of health. We estimated the prevalence of high screen time (ST) among English youth and examined whether deprivation mediated the relationship between ST and PA.It is a cross-sectional study of 6240 participants (53 boys, aged 1015 years) enrolled in the East of England Healthy Hearts study. The participants were categorized into three groups based on daily ST: 2, 24 or 4 h. Participants were classified as oactive' or oinactive' based on PA z-scores.Prevalence of 2 h ST was 36. Participants reporting 2 h daily ST were more likely to be active than those reporting 24 h (adjusted OR: 1.51, 95 CI: 1.261.82, P 0.001) or 4 h (adjusted OR: 2.26, 95 CI: 1.912.67, P 0.001). Analysis of covariance demonstrated a significant main effect for ST on PA (F 85.7, P 0.001) with lower PA in each ascending ST group (P 0.001). Deprivation was not significantly associated with PA and did not mediate the relationship between ST and PA.There is high prevalence of 2 h ST in English schoolchildren. PA is lower in children reporting 24 versus 2 h daily ST and lower still in those classified as heavy users (4 h) independent of deprivation.