JAMA Intern Med:美国家庭钠摄入变化2000-14

2017-06-20 zhangfan MedSci原创

15年间食物的钠含量以及家庭的钠摄入量显著减少,但绝大部分美国家庭的钠摄入密度较高,钠摄入减少仍需持续

在美国,减少包装食品中钠含量的政策已经开始实施,但普通家庭食品钠量摄入的变化目前尚未评价。近日研究人员评估了15年的美国家庭食物钠含量变化。

研究人员对2000到2014年间的美国家庭的的尼尔森家庭问卷开展纵向研究,记录全年购买的所有包装食品数据,共包含了1490141种商品数据。研究的主要目的是调查人口调整后的人均平均钠摄入(mg/天)和食物钠含量(mg/100 g)高钠食品含量变化以及钠摄入密度低于1.1mg/ kcal的比例。

研究共涉及172042个家庭,总计754608个观察年。2000至2014年,家庭包装食物钠摄入减少396mg/天(95% CI,385-407mg/d)。食物中的钠含量减少了49 mg/100 g(95% CI,48-50 mg/100 g),下降12%,下降趋势从2005年开始持续至2014年。15年间,食物中钠含量显著下降,其中调味品、酱料和蘸料的钠含量下降超过100 mg/100 g,(114 mg/100 g; 95% CI,111-117 mg/100 g),咸味休闲食品大幅下降(142 mg/100 g;95% CI,141-144 mg/100 g),但全美只有不超过2%的家庭其钠摄入密度低于1.1 mg/kcal。

研究认为,15年间食物的钠含量以及家庭的钠摄入量显著减少,但绝大部分美国家庭的钠摄入密度较高,钠摄入减少仍需持续。

原始出处:


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    2017-06-20 中医痴

    不错的,学习了,谢谢分享!

    0

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    2017-06-20 1dd8aa01m06(暂无匿称)

    学习了很好的内容

    0

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    2017-06-20 zlpzs

    学习了

    0

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    2017-06-20 三生有幸9135

    学习一下谢谢分享

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