Validating self-reported food expenditures against food store and eating-out receipts.
Validating self-reported food expenditures against food store and eating-out receipts.
复制标题
根据食品店和外出就餐收据验证自我报告的食品支出。
DOI：
10.1038/ejcn.2015.166
复制
发表时间：
2016
影响因子：
4.7
通讯作者：
Drewnowski,A
中科院分区：
文献类型：
--
作者：
Tang,W;Aggarwal,A;Liu,Z;Acheson,M;Rehm,CD;Moudon,AV;Drewnowski,A
Results:Self-reported expenditures closely matched with objective receipt data. Paired t-tests showed no significant differences between receipts and self-reported data on total food expenditures, expenditures at food stores or eating out. However, the highest-income strata showed weaker agreement. Bland–Altman plots confirmed no significant bias across both methods–mean difference: 6.4; agreement limits:− 123.5 to 143.4 for total food expenditures, mean difference 5.7 for food stores and mean difference 1.7 for eating out. The κ-statistics showed good agreement for each (κ 0.51, 0.41 and 0.49 respectively. Households with higher education and income had significantly more number of receipts and higher food expenditures.Conclusions:Self-reported food expenditures using NHANES questions, both for food stores and eating out, serve as a decent proxy for objective household food expenditures from receipts. This method should be used with caution among high-income populations, or with high food expenditures. This is the first validation of the FCBS food expenditures question using food store and eating-out receipts.
