Higher cost of gluten-free products compared to gluten-containing equivalents is mainly attributed to staple foods.

IF 2.7 4区 医学 Q3 NUTRITION & DIETETICS Nutrition Bulletin Pub Date : 2024-10-26 DOI:10.1111/nbu.12716
Eirini Bathrellou, Vasiliki Bountziouka, Despoina Lamprou, Evanthia Fragedaki, Eleftheria Papachristou, Frank Vriesekoop, Meropi D Kontogianni
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Abstract

The high cost of gluten-free products (GFPs) is being discussed as a potential barrier to adherence to a gluten-free diet, rendering monitoring of their pricing an ongoing demand in a market subject to continuous fluctuations. The current study aimed to assess the current pricing status of GFPs in the Greek retail market, with a focus on differences between staple and non-staple foods. The retail price and packaging weight of all available GFPs and their gluten-containing (GCPs) counterparts of a GFP-shopping basket (formulated based on the results of a preceding online survey) were recorded by visiting one store of the five most popular reported supermarket chains. The food categories were grouped into staple (e.g. breads, pasta and flours) and non-staple (e.g. chips, sweets and sauces) foods. Adjusting for supermarket chain and product type, a quantile mixed regression model was applied to assess the extent to which median product price (per 100 g) differed between GFPs and GCPs. The unique products recorded were 1058 (of which 408 GFPs), with a total of 2165 retail price recordings. While the overall median price/100 g of GFPs was not found to be significantly different from that of GCPs, the median price of staple GFPs was estimated to be higher than staple GCPs (+€1.03 [95% CI: €0.93; €1.13] per 100 g), whilst that of non-staple GFPs was slightly lower (-€0.20 [95% CI: -€0.37; -€0.02] per 100 g). In conclusion, the persisting higher cost of staple GFPs suggests the need for ongoing financial support for people with coeliac disease.

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与含麸质的同类产品相比,无麸质产品的成本较高,这主要归因于主食。
无麸质产品(GFP)的高昂成本被认为是影响人们坚持无麸质饮食的潜在障碍,因此在市场不断波动的情况下,对其定价的监控成为一项持续性需求。本研究旨在评估希腊零售市场上无麸质食品的定价现状,重点关注主食和非主食之间的差异。研究人员走访了五家最受欢迎的连锁超市中的一家商店,记录了一篮子 GFP(根据之前的在线调查结果制定)中所有现有 GFP 及其含麸质(GCP)对应食品的零售价格和包装重量。食品类别分为主食(如面包、面食和面粉)和副食(如薯片、糖果和调味品)。在对连锁超市和产品种类进行调整后,采用量化混合回归模型来评估普通食品店和普通食品店的产品价格中位数(每 100 克)的差异程度。记录的独特产品有 1058 种(其中 408 种为普通食品添加剂),零售价格记录总数为 2165 个。虽然发现 GFP 的总体中位价格/100 克与 GCP 的中位价格/100 克没有显著差异,但估计主食 GFP 的中位价格高于主食 GCP(+1.03 欧元 [95% CI:0.93 欧元;1.13 欧元]/100 克),而非主食 GFP 的中位价格略低(-0.20 欧元 [95% CI:-0.37 欧元;-0.02 欧元]/100 克)。总之,主食 GFP 的成本一直较高,这表明有必要为乳糜泻患者提供持续的经济支持。
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来源期刊
Nutrition Bulletin
Nutrition Bulletin NUTRITION & DIETETICS-
CiteScore
4.50
自引率
12.10%
发文量
58
期刊介绍: The Nutrition Bulletin provides accessible reviews at the cutting edge of research. Read by researchers and nutritionists working in universities and research institutes; public health nutritionists, dieticians and other health professionals; nutritionists, technologists and others in the food industry; those engaged in higher education including students; and journalists with an interest in nutrition.
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