Television viewing and cognitive decline in older age: findings from the English Longitudinal Study of Ageing
Television viewing and cognitive decline in older age: findings from the English Longitudinal Study of Ageing
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DOI：
10.1038/s41598-019-39354-4
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发表时间：
2019-02-28
影响因子：
4.6
通讯作者：
Steptoe, Andrew
中科院分区：
文献类型：
--
作者：
Fancourt, Daisy;Steptoe, Andrew
人们对电视对儿童认知的影响很感兴趣，但对老年人的影响的研究要少得多。这项研究旨在探索50岁或50岁以上成年人的看电视行为是否与认知能力下降有关。我们使用了英国老龄化纵向研究的数据，该研究涉及3662名50岁以上的成年人，我们使用多元线性回归模型，在控制人口统计因素、社会经济状况、抑郁、身体健康、健康行为和其他一系列久坐行为的情况下，探索基线看电视(2008/2009)和6年后的认知(2014/2015)之间的纵向关联。在接下来的六年里，每天看电视超过3.5小时与言语记忆的剂量反应下降有关，与混淆变量无关。这些结果特别是在那些在基线时认知能力较好的人中发现的，并且对探索反向因果关系、差异无反应和电视观看稳定性的一系列敏感性分析是稳健的。看电视与语义流畅性的变化并不存在纵向联系。总体而言，我们的结果提供了初步数据，表明每天看电视超过3.5小时与认知能力下降有关。
There has been significant interest in the effects of television on cognition in children, but much less research has been carried out into the effects in older adults. This study aimed to explore whether television viewing behaviours in adults aged 50 or over are associated with a decline in cognition. Using data from the English Longitudinal Study of Aging involving 3,662 adults aged 50+, we used multivariate linear regression models to explore longitudinal associations between baseline television watching (2008/2009) and cognition 6 years later (2014/2015) while controlling for demographic factors, socio-economic status, depression, physical health, health behaviours and a range of other sedentary behaviours. Watching television for more than 3.5 hours per day is associated with a dose-response decline in verbal memory over the following six years, independent of confounding variables. These results are found in particular amongst those with better cognition at baseline and are robust to a range of sensitivity analyses exploring reverse causality, differential non-response and stability of television viewing. Watching television is not longitudinally associated with changes in semantic fluency. Overall our results provide preliminary data to suggest that television viewing for more than 3.5 hours per day is related to cognitive decline.