Active video game interventions typically provide children a single game that may become unappealing. A peripheral device (jOG) encourages step-powered gaming on multiple games. This trial evaluated the effect of jOG on children's objectively measured PA, body fat and self-reported behaviors. 42 of 58 eligible children (8-10 y) randomly assigned to an intervention (jOG) or control (CON) completed the trial. Intervention children received two jOG devices for home use. Analyses of covariance compared the intervention effect at 6 and 12 weeks from baseline. No differences were found between groups for counts per minute (CPM; primary outcome) at 6 and 12 weeks (p .05). Active video gaming increased (adjusted change 0.95 (95% CI 0.25, 1.65) h·d -1 P.01) and sedentary video gaming decreased (-0.34 (-1.24, 0.56) h·d -1, p .05) at 6 weeks relative to CON. No body fat changes were observed between groups. Targeted changes in video game use did not positively affect PA. Larger trials are needed to verify the impact of active video games on children's PA and health.
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机译：主动的视频游戏干预通常会为孩子们提供可能不受欢迎的单个游戏。外围设备（jOG）鼓励在多个游戏上使用步进驱动的游戏。该试验评估了jOG对儿童客观测量的PA，体脂和自我报告行为的影响。随机分配给干预（jOG）或对照（CON）的58名合格儿童（8-10岁）中的42名完成了试验。干预儿童收到了两个家用jOG设备。协方差分析比较了距基线6周和12周的干预效果。在第6周和第12周，两组之间的每分钟计数（CPM;主要结果）没有差异（p> .05）。主动视频游戏增加（调整后的变化0.95（95％CI 0.25，1.65）h·d -1 P <.01）和久坐视频游戏减少（-0.34（-1.24，0.56）h·d -1，p> .05 ）（相对于CON）的第6周。两组之间均未观察到体脂变化。视频游戏使用的目标变更并没有对PA产生积极影响。需要更大的试验来验证活动视频游戏对儿童PA和健康的影响。
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