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健康体重承诺基金会承诺:2000 - 2012年美国家庭有孩子的家庭购买的卡路里量。

The Healthy Wight Commitment Foundation pledge: calories purchased by U.S. households with children, 2000-2012.

作者信息

Ng Shu Wen, Popkin Barry M

机构信息

Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.

Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.

出版信息

Am J Prev Med. 2014 Oct;47(4):520-30. doi: 10.1016/j.amepre.2014.05.030.

Abstract

CONTEXT

An independent evaluation of the Healthy Weight Commitment Foundation (HWCF) marketplace pledge found that the participating companies met and exceeded their interim 2012 sales reduction pledge.

EVIDENCE ACQUISITION

This follow-up study conducted in 2013 used purchase data from 2000 to 2012 among U.S. households with children and compared trends in calorie purchases of HWCF, non-HWCF name brands, and private label (PL) products in the pre-pledge period (2000-2007) and the post-pledge period (2008-2012); controlled for potential effects of concurrent changes in demographic and economic factors, including the Great Recession and food prices; and assessed whether the HWCF marketplace pledge was associated with reductions in consumer packaged goods (CPG) calorie purchases by households with children.

EVIDENCE SYNTHESIS

There has been a significant per capita decline in average daily CPG caloric purchases between 2000 and 2012 among households with children from all brand categories. Based on pre-pledge trends, declines in CPG caloric purchases were already occurring. However, post-pledge reductions in calories purchased from HWCF brands were less than expected, and reductions in calories purchased from non-HWCF name brands and PLs were greater than expected after economic, sociodemographic, and secular factors were accounted for.

CONCLUSIONS

If the 16 HWCF companies had been able to maintain their pre-pledge trajectory, there should have been an additional 42 kcal/capita/day reduction in calories purchased from HWCF products in 2012 among households with children. A lack of change in total CPG calories purchased between 2011 and 2012 calls into question the sustainability of the decline and a need for continued monitoring.

摘要

背景

对健康体重承诺基金会(HWCF)市场承诺的一项独立评估发现,参与的公司达到并超过了其2012年的中期销售削减承诺。

证据获取

这项于2013年进行的后续研究使用了2000年至2012年美国家庭有子女的购买数据,比较了在承诺前时期(2000 - 2007年)和承诺后时期(2008 - 2012年)HWCF、非HWCF名牌产品和自有品牌(PL)产品的卡路里购买趋势;控制了人口和经济因素同时变化的潜在影响,包括大衰退和食品价格;并评估了HWCF市场承诺是否与有子女家庭购买的消费品(CPG)卡路里减少有关。

证据综合

2000年至2012年期间,所有品牌类别的有子女家庭的人均每日CPG卡路里购买量均有显著下降。根据承诺前的趋势,CPG卡路里购买量已经在下降。然而,在考虑经济、社会人口和长期因素后,从HWCF品牌购买的卡路里在承诺后的减少量低于预期,而从非HWCF名牌产品和自有品牌购买的卡路里减少量高于预期。

结论

如果这16家HWCF公司能够维持其承诺前的轨迹,2012年有子女家庭从HWCF产品购买的卡路里应额外减少42千卡/人/天。2011年至2012年期间CPG总卡路里购买量没有变化,这让人对下降的可持续性产生质疑,并需要持续监测。

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