Wasted food, poor health, sad planet: optimising householders' food behaviour for health outcomes, food security and resource efficiency

英国约70%的食物浪费来自家庭，60%是可以避免的。粮食贫困正在加剧，英国退欧可能会导致食品关税和价格上涨。几乎没有证据表明食物浪费和健康结果之间存在联系。食物浪费预防研究的重点是评估成分。影响食物浪费的因素包括购买决定、用餐计划、食物储存、剩菜的使用、坚持按日期出售和份量控制。这个项目旨在发现是什么驱动了这些决定和行为，以及如何将它们转变为减少食物浪费、食物安全和更好的健康结果。方法：伦理批准。文献综述。背景：在英国汉普郡有目的地选择三个不同地理分布和人口统计的地区。重建：随机选择设计。焦点小组：半结构录音和逐字转录。采用不断比较的方法开发编码框架。使用数据的叙述性摘要与行为改变的跨理论模型进行比较，以测试和提炼新兴理论。模型化研究：数据-在线发票、收银台收据和人口统计调查。在两个时间点在线领取。用于统计分析和建模的查询数据库。食物垃圾成分：食物垃圾的记录。工具输出：使用收集的数据，将与汉普郡议会共同开发一个工具，在一系列场景下模拟家庭食物安全、浪费和购买优化。贡献：研究将确定食物购买、处理和浪费行为的影响。探索与健康和社会不平等的差异和联系。强调将重点放在资源分配上，以减少食物浪费，改善家庭粮食安全和公共卫生宣传，并促进基于证据的政策制定。

Approximately 70% of UK food wasted is from households, 60% is avoidable. Food poverty is increasingand Brexit approaches likely rising food tariffs and prices. Scant evidence exists connecting food wasteand health outcomes. Food waste prevention research focuses on assessing composition. Elementsinfluencing food waste include purchasing decisions, meal planning, food storage, use of left overs,adherence to sell by dates and portion control. This project aims to discover what drives these decisionsand behaviours and how to shift them towards food waste reduction, food security and better healthoutcomes.Methods: Ethical approval. Literature review.Setting: Three purposively selected districts in Hampshire UK with diverse geographical spread anddemographics.Recruitment: Random selection design.Focus Groups: Semi-structure audio-record and transcribe verbatim. Develop coding frame usingconstant comparative methods. Use narrative summaries of data to enable comparison with TranstheoreticalModel of behaviour change to test and refine emerging theories.Modelling Study: Data - online invoices, till receipts and demographic survey. Collect at two time pointsonline. Query database for statistical analysis and modelling.Food waste composition: Records of food waste.Tool Output: Using collected data a tool will be co-developed with Hampshire County Council to modelhousehold food security, waste and purchasing optimisation in a range of scenarios.Contribution: Study will identify influences of food purchasing, handling and waste behaviours. Exploringvariation and connection with health and social inequalities. Highlighting focus on resource allocation toreduce food waste, improve household food security and public health messaging and contribute toevidence-based policy setting.