家庭收入影响食物购买的营养质量：SHoPPER 研究。

Nutrition quality of food purchases varies by household income: the SHoPPER study.

机构信息

Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, 1300 South Second Street, Suite 300, Minneapolis, MN, 55454, USA.

Department of Clinical Nutrition, College of Health Sciences, Rush University Medical Center, 600 Paulina Street, Room 716, Chicago, IL, 60612, USA.

出版信息

BMC Public Health. 2019 Feb 26;19(1):231. doi: 10.1186/s12889-019-6546-2.

DOI:10.1186/s12889-019-6546-2

PMID:30808311

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6390355/

Abstract

BACKGROUND

Lower household income has been consistently associated with poorer diet quality. Household food purchases may be an important intervention target to improve diet quality among low income populations. Associations between household income and the diet quality of household food purchases were examined.

METHODS

Food purchase receipt data were collected for 14 days from 202 urban households participating in a study about food shopping. Purchase data were analyzed using NDS-R software and scored using the Healthy Eating Index 2010 (HEI 2010). HEI total and subscores, and proportion of grocery dollars spent on food categories (e.g. fruits, vegetables, sugar sweetened beverages) were examined by household income-to-poverty ratio.

RESULTS

Compared to lower income households, after adjusting for education, marital status and race, higher income households had significantly higher HEI total scores (mean [sd] = 68.2 [13.3] versus 51.6 [13.9], respectively, adjusted p = 0.05), higher total vegetable scores (mean [sd] = 3.6 [1.4] versus 2.3 [1.6], respectively, adjusted p < .01), higher dairy scores (mean [sd] = 5.6 [3.0] versus 5.0 [3.3], p = .05) and lower proportion of grocery dollars spent on frozen desserts (1% [.02] versus 3% [.07], respectively, p = .02).

CONCLUSIONS

Lower income households purchase less healthful foods compared with higher income households. Food purchasing patterns may mediate income differences in dietary intake quality.

TRIAL REGISTRATION

ClinicalTrials.gov identifier: NCT02073643.

摘要

背景

家庭收入较低与较差的饮食质量密切相关。家庭食品采购可能是改善低收入人群饮食质量的一个重要干预目标。本研究旨在调查家庭收入与家庭食品购买的饮食质量之间的关系。

方法

从参与一项关于食品购物研究的 202 户城市家庭中收集了为期 14 天的食品购买收据数据。使用 NDS-R 软件对购买数据进行分析，并使用 2010 年健康饮食指数（HEI 2010）进行评分。根据家庭收入与贫困率的比值，检查 HEI 总分和子分数以及食品类别（如水果、蔬菜、含糖饮料）在食品杂货支出中所占的比例。

结果

与低收入家庭相比，在调整了教育程度、婚姻状况和种族后，高收入家庭的 HEI 总分（分别为 68.2[13.3]和 51.6[13.9]，调整后的 p=0.05）、总蔬菜得分（分别为 3.6[1.4]和 2.3[1.6]，调整后的 p<0.01）、乳制品得分（分别为 5.6[3.0]和 5.0[3.3]，p=0.05）更高，而冷冻甜点在食品杂货支出中所占的比例更低（分别为 1%[.02]和 3%[.07]，p=0.02）。