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IJBNPA：换个小盘子真的有助于控制食量么？

2019-11-25 BMC中国 BMC期刊

餐具进食量
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餐具尺寸对进食量的影响一直以来尚未明确。大多数现有研究均使用了较小的、且不具代表性的样本，且未遵循随机对照试验的推荐程序，导致偏倚风险增加。发表在International Journal of Behavioral Nutrition and Physical Activity 的文章 Plate size and food consumption: a pre-registered exper

餐具尺寸对进食量的影响一直以来尚未明确。大多数现有研究均使用了较小的、且不具代表性的样本，且未遵循随机对照试验的推荐程序，导致偏倚风险增加。发表在International Journal of Behavioral Nutrition and Physical Activity 的文章 Plate size and food consumption: a pre-registered experimental study in a general population sample是迄今为止第一项在开放科学平台上预先注册的研究。作者探索了食用自助餐时使用较大餐盘和较小餐盘对进食量的影响；还评估了之前未研究过的微观因素（ 如食物份量和进食速度）对进食量的影响。

该研究是在一个专门建立的自助餐行为实验室中进行。134名一般人群样本（年龄在18-61岁之间的成年参与者）被随机分到两个不同规模的自助式午餐组：一组用大餐盘， 另一组用小餐盘。主要结果是计算其在一餐中摄入的食物能量（以kcal计算）。此外，研究团队还评估了膳食微观因素的影响，并评估了执行能力、社会经济地位和对感知线索的敏感性对进食量的潜在修正效应。

没有明确证据表明两组的进食量存在差异：Cohen’s d = 0.07（95% CI：−0.27~0.41）。大餐盘组的平均进食量仅比小餐盘组多19.2（95% CI ：−76.5~115.0）kcal（即3%） [平均值 （标准差）：大餐盘组644.1（265.0）kcal vs. 小餐盘组624.9（292.3）kcal] 。个体特征未改变组间差异。除使用较大餐盘时会留有较多的剩余食物在盘子上之外，未发现微观因素对食进量有影响的证据。

这项研究表明，以往对低质量数据的荟萃分析可能大大高估了餐盘尺寸对进食量的影响。但是，无法排除这一因素产生正面或负面有临床意义的影响的可能性。需要在真实世界中进行严谨的实验，以在人群水平确定改变餐具尺寸是否可能有助于减少进食量。 

原始出处：
Daina Kosīte, Laura M. König, Katie De-loyde, et al. Plate size and food consumption: a pre-registered experimental study in a general population sample. International Journal of Behavioral Nutrition and Physical Activity. Aug 2019.

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    2019-11-27 huiwelcome

    #BNP#

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=1289334, encodeId=878012893349c, content=<a href='/topic/show?id=ede136018b' target=_blank style='color:#2F92EE;'>#BNP#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3601, encryptionId=ede136018b, topicName=BNP)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cd0d217, createdName=huiwelcome, createdTime=Wed Nov 27 12:47:00 CST 2019, time=2019-11-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=375845, encodeId=6ca03e5845bd, content=谢谢了，学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=30331616752, createdName=txqjm, createdTime=Tue Nov 26 07:18:28 CST 2019, time=2019-11-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=375830, encodeId=5d983e5830f9, content=学习了，谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Mon Nov 25 23:13:42 CST 2019, time=2019-11-25, status=1, ipAttribution=)]
    2019-11-26 txqjm

    谢谢了，学习

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1289334, encodeId=878012893349c, content=<a href='/topic/show?id=ede136018b' target=_blank style='color:#2F92EE;'>#BNP#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3601, encryptionId=ede136018b, topicName=BNP)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cd0d217, createdName=huiwelcome, createdTime=Wed Nov 27 12:47:00 CST 2019, time=2019-11-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=375845, encodeId=6ca03e5845bd, content=谢谢了，学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=30331616752, createdName=txqjm, createdTime=Tue Nov 26 07:18:28 CST 2019, time=2019-11-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=375830, encodeId=5d983e5830f9, content=学习了，谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Mon Nov 25 23:13:42 CST 2019, time=2019-11-25, status=1, ipAttribution=)]
    2019-11-25 1209e435m98(暂无昵称)

    学习了，谢谢分享

    0

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