Zimmerman Frederick J, Christakis Dimitri A, Meltzoff Andrew N
Child Health Institute, University of Washington, Seattle, WA 98115, USA.
J Pediatr. 2007 Oct;151(4):364-8. doi: 10.1016/j.jpeds.2007.04.071. Epub 2007 Aug 7.
To test the association of media exposure with language development in children under age 2 years.
A total of 1008 parents of children age 2 to 24 months, identified by birth certificates, were surveyed by telephone in February 2006. Questions were asked about child and parent demographics, child-parent interactions, and child's viewing of several content types of television and DVDs/videos. Parents were also asked to complete the short form of the MacArthur-Bates Communicative Development Inventory (CDI). The associations between normed CDI scores and media exposure were evaluated using multivariate regression, controlling for parent and child demographics and parent-child interactions.
Among infants (age 8 to 16 months), each hour per day of viewing baby DVDs/videos was associated with a 16.99-point decrement in CDI score in a fully adjusted model (95% confidence interval = -26.20 to -7.77). Among toddlers (age 17 to 24 months), there were no significant associations between any type of media exposure and CDI scores. Amount of parental viewing with the child was not significantly associated with CDI scores in either infants or toddlers.
Further research is required to determine the reasons for an association between early viewing of baby DVDs/videos and poor language development.
检验2岁以下儿童媒体接触与语言发育之间的关联。
2006年2月，通过出生证明确定了1008名年龄在2至24个月儿童的家长，并对其进行电话调查。询问了有关儿童和家长的人口统计学信息、亲子互动以及儿童观看几种电视和DVD/视频内容类型的情况。还要求家长完成麦克阿瑟-贝茨沟通发展量表（CDI）的简表。使用多变量回归评估标准化CDI得分与媒体接触之间的关联，并对家长和儿童的人口统计学信息以及亲子互动进行控制。
在婴儿（8至16个月）中，在完全调整模型中，每天观看婴儿DVD/视频每增加1小时，CDI得分下降16.99分（95%置信区间=-26.20至-7.77）。在幼儿（17至24个月）中，任何类型的媒体接触与CDI得分之间均无显著关联。家长与孩子一起观看的时间在婴儿和幼儿中与CDI得分均无显著关联。
需要进一步研究以确定早期观看婴儿DVD/视频与语言发育不良之间存在关联的原因。
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