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首页> 外文期刊>Annals of epidemiology >Physical activity and 5-year cognitive decline in the Doetinchem cohort study.
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Physical activity and 5-year cognitive decline in the Doetinchem cohort study.

机译：Doetinchem队列研究中的体育锻炼和5年认知能力下降。

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PURPOSE: It is hypothesized that the intensity of physical activity habits, rather than the time spent on those activities, might mediate cognitive function. This study tested a possible association between changes in the time spent on or the average intensity of weekly physical activities and changes in cognitive function in healthy men and women. METHODS: This longitudinal cohort study with 1,904 healthy men and women (45-75 years of age) assessed physical activity by a questionnaire and cognitive function with a neuropsychological test battery twice with an interval of 5 years. RESULTS: Multiple linear regression analyses showed that changes in the time spent on physical activities were not associated with changes in cognitive function over a 5-year period. By contrast, changes in average intensity of weekly activities were significantly and positively associated with processing speed (beta = 0.063; p < 0.05). CONCLUSIONS: In this longitudinal cohort study, an increase or smaller decline in average intensity was associated with a smaller age-related decline in processing speed, estimated at 6 years of aging.
机译：目的：假设体育锻炼习惯的强度而不是花费在这些活动上的时间可能会介导认知功能。这项研究测试了健康男性和女性的每周运动时间变化或平均强度与认知功能变化之间的可能联系。方法：这项纵向队列研究对1,904名健康的男性和女性（45-75岁）进行了问卷调查，并通过神经心理测验电池对认知功能进行了两次评估，间隔为5年。结果：多元线性回归分析表明，在5年的时间里，体育锻炼时间的变化与认知功能的变化无关。相比之下，每周活动的平均强度的变化与处理速度显着正相关（β= 0.063; p <0.05）。结论：在这项纵向队列研究中，平均强度的增加或减少与年龄相关的加工速度下降较小有关，估计老化时间为6年。

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